Home / 497,966.16-687,246.52-304,487.26

Finding the Fourth Proportional to 497,966.16, 687,246.52 and 304,487.26

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Solution

The fourth proportional to 497,966.16, 687,246.52 and 304,487.26 is: 420,224.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,966.16 : 687,246.52 = 304,487.26 : x
  2. Step 2: Convert to fraction form
    497,966.16/687,246.52 = 304,487.26/x
  3. Step 3: Cross multiply
    497,966.16x = 687,246.52 × 304,487.26
  4. Step 4: Simplify right side
    497,966.16x = 209,257,809,819.34
  5. Step 5: Solve for x
    x = 209,257,809,819.34/497,966.16
  6. Step 6: Final answer
    x = 420,224.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.