Home / 765,257.17-1,148,109.92-316,003.63

Finding the Fourth Proportional to 765,257.17, 1,148,109.92 and 316,003.63

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Solution

The fourth proportional to 765,257.17, 1,148,109.92 and 316,003.63 is: 474,098.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,257.17 : 1,148,109.92 = 316,003.63 : x
  2. Step 2: Convert to fraction form
    765,257.17/1,148,109.92 = 316,003.63/x
  3. Step 3: Cross multiply
    765,257.17x = 1,148,109.92 × 316,003.63
  4. Step 4: Simplify right side
    765,257.17x = 362,806,902,359.01
  5. Step 5: Solve for x
    x = 362,806,902,359.01/765,257.17
  6. Step 6: Final answer
    x = 474,098.01

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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.