Home / 849,725.70-1,172,654.91-467,788.02

Finding the Fourth Proportional to 849,725.70, 1,172,654.91 and 467,788.02

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Solution

The fourth proportional to 849,725.70, 1,172,654.91 and 467,788.02 is: 645,565.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,725.70 : 1,172,654.91 = 467,788.02 : x
  2. Step 2: Convert to fraction form
    849,725.70/1,172,654.91 = 467,788.02/x
  3. Step 3: Cross multiply
    849,725.70x = 1,172,654.91 × 467,788.02
  4. Step 4: Simplify right side
    849,725.70x = 548,553,918,492.18
  5. Step 5: Solve for x
    x = 548,553,918,492.18/849,725.70
  6. Step 6: Final answer
    x = 645,565.88

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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.