Home / 923,493.70-1,385,240.55-324,547.30

Finding the Fourth Proportional to 923,493.70, 1,385,240.55 and 324,547.30

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Solution

The fourth proportional to 923,493.70, 1,385,240.55 and 324,547.30 is: 486,820.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,493.70 : 1,385,240.55 = 324,547.30 : x
  2. Step 2: Convert to fraction form
    923,493.70/1,385,240.55 = 324,547.30/x
  3. Step 3: Cross multiply
    923,493.70x = 1,385,240.55 × 324,547.30
  4. Step 4: Simplify right side
    923,493.70x = 449,576,080,353.02
  5. Step 5: Solve for x
    x = 449,576,080,353.02/923,493.70
  6. Step 6: Final answer
    x = 486,820.95

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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.