Home / 765,714.52-1,148,827.54-339,192.40

Finding the Fourth Proportional to 765,714.52, 1,148,827.54 and 339,192.40

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Solution

The fourth proportional to 765,714.52, 1,148,827.54 and 339,192.40 is: 508,901.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,714.52 : 1,148,827.54 = 339,192.40 : x
  2. Step 2: Convert to fraction form
    765,714.52/1,148,827.54 = 339,192.40/x
  3. Step 3: Cross multiply
    765,714.52x = 1,148,827.54 × 339,192.40
  4. Step 4: Simplify right side
    765,714.52x = 389,673,570,478.70
  5. Step 5: Solve for x
    x = 389,673,570,478.70/765,714.52
  6. Step 6: Final answer
    x = 508,901.90

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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.