Home / 508,301.20-763,205.10-284,109.40

Finding the Fourth Proportional to 508,301.20, 763,205.10 and 284,109.40

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Solution

The fourth proportional to 508,301.20, 763,205.10 and 284,109.40 is: 426,585.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,301.20 : 763,205.10 = 284,109.40 : x
  2. Step 2: Convert to fraction form
    508,301.20/763,205.10 = 284,109.40/x
  3. Step 3: Cross multiply
    508,301.20x = 763,205.10 × 284,109.40
  4. Step 4: Simplify right side
    508,301.20x = 216,833,743,037.94
  5. Step 5: Solve for x
    x = 216,833,743,037.94/508,301.20
  6. Step 6: Final answer
    x = 426,585.15

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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.