Home / 384,613.60-577,036.92-272,510.68

Finding the Fourth Proportional to 384,613.60, 577,036.92 and 272,510.68

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Solution

The fourth proportional to 384,613.60, 577,036.92 and 272,510.68 is: 408,848.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,613.60 : 577,036.92 = 272,510.68 : x
  2. Step 2: Convert to fraction form
    384,613.60/577,036.92 = 272,510.68/x
  3. Step 3: Cross multiply
    384,613.60x = 577,036.92 × 272,510.68
  4. Step 4: Simplify right side
    384,613.60x = 157,248,723,454.31
  5. Step 5: Solve for x
    x = 157,248,723,454.31/384,613.60
  6. Step 6: Final answer
    x = 408,848.58

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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.