Home / 495,275.52-680,851.68-426,113.28

Finding the Fourth Proportional to 495,275.52, 680,851.68 and 426,113.28

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Solution

The fourth proportional to 495,275.52, 680,851.68 and 426,113.28 is: 585,774.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,275.52 : 680,851.68 = 426,113.28 : x
  2. Step 2: Convert to fraction form
    495,275.52/680,851.68 = 426,113.28/x
  3. Step 3: Cross multiply
    495,275.52x = 680,851.68 × 426,113.28
  4. Step 4: Simplify right side
    495,275.52x = 290,119,942,558.31
  5. Step 5: Solve for x
    x = 290,119,942,558.31/495,275.52
  6. Step 6: Final answer
    x = 585,774.85

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.