Home / 712,102.88-1,068,416.76-375,129.92

Finding the Fourth Proportional to 712,102.88, 1,068,416.76 and 375,129.92

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Solution

The fourth proportional to 712,102.88, 1,068,416.76 and 375,129.92 is: 562,833.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,102.88 : 1,068,416.76 = 375,129.92 : x
  2. Step 2: Convert to fraction form
    712,102.88/1,068,416.76 = 375,129.92/x
  3. Step 3: Cross multiply
    712,102.88x = 1,068,416.76 × 375,129.92
  4. Step 4: Simplify right side
    712,102.88x = 400,795,088,363.38
  5. Step 5: Solve for x
    x = 400,795,088,363.38/712,102.88
  6. Step 6: Final answer
    x = 562,833.13

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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.