Home / 784,010.40-1,176,015.60-341,642.40

Finding the Fourth Proportional to 784,010.40, 1,176,015.60 and 341,642.40

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Solution

The fourth proportional to 784,010.40, 1,176,015.60 and 341,642.40 is: 512,463.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,010.40 : 1,176,015.60 = 341,642.40 : x
  2. Step 2: Convert to fraction form
    784,010.40/1,176,015.60 = 341,642.40/x
  3. Step 3: Cross multiply
    784,010.40x = 1,176,015.60 × 341,642.40
  4. Step 4: Simplify right side
    784,010.40x = 401,776,792,021.44
  5. Step 5: Solve for x
    x = 401,776,792,021.44/784,010.40
  6. Step 6: Final answer
    x = 512,463.60

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.