Home / 787,653.20-1,181,479.80-366,971.60

Finding the Fourth Proportional to 787,653.20, 1,181,479.80 and 366,971.60

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Solution

The fourth proportional to 787,653.20, 1,181,479.80 and 366,971.60 is: 550,457.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,653.20 : 1,181,479.80 = 366,971.60 : x
  2. Step 2: Convert to fraction form
    787,653.20/1,181,479.80 = 366,971.60/x
  3. Step 3: Cross multiply
    787,653.20x = 1,181,479.80 × 366,971.60
  4. Step 4: Simplify right side
    787,653.20x = 433,569,532,573.68
  5. Step 5: Solve for x
    x = 433,569,532,573.68/787,653.20
  6. Step 6: Final answer
    x = 550,457.40

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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.