Home / 418,759.20-577,809.36-249,035.04

Finding the Fourth Proportional to 418,759.20, 577,809.36 and 249,035.04

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Solution

The fourth proportional to 418,759.20, 577,809.36 and 249,035.04 is: 343,621.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,759.20 : 577,809.36 = 249,035.04 : x
  2. Step 2: Convert to fraction form
    418,759.20/577,809.36 = 249,035.04/x
  3. Step 3: Cross multiply
    418,759.20x = 577,809.36 × 249,035.04
  4. Step 4: Simplify right side
    418,759.20x = 143,894,777,079.97
  5. Step 5: Solve for x
    x = 143,894,777,079.97/418,759.20
  6. Step 6: Final answer
    x = 343,621.77

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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.