Home / 900,223.30-1,242,460.92-518,471.11

Finding the Fourth Proportional to 900,223.30, 1,242,460.92 and 518,471.11

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Solution

The fourth proportional to 900,223.30, 1,242,460.92 and 518,471.11 is: 715,578.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,223.30 : 1,242,460.92 = 518,471.11 : x
  2. Step 2: Convert to fraction form
    900,223.30/1,242,460.92 = 518,471.11/x
  3. Step 3: Cross multiply
    900,223.30x = 1,242,460.92 × 518,471.11
  4. Step 4: Simplify right side
    900,223.30x = 644,180,092,324.02
  5. Step 5: Solve for x
    x = 644,180,092,324.02/900,223.30
  6. Step 6: Final answer
    x = 715,578.12

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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.