Home / 765,600.17-1,148,102.17-316,393.61

Finding the Fourth Proportional to 765,600.17, 1,148,102.17 and 316,393.61

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Solution

The fourth proportional to 765,600.17, 1,148,102.17 and 316,393.61 is: 474,467.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,600.17 : 1,148,102.17 = 316,393.61 : x
  2. Step 2: Convert to fraction form
    765,600.17/1,148,102.17 = 316,393.61/x
  3. Step 3: Cross multiply
    765,600.17x = 1,148,102.17 × 316,393.61
  4. Step 4: Simplify right side
    765,600.17x = 363,252,183,683.64
  5. Step 5: Solve for x
    x = 363,252,183,683.64/765,600.17
  6. Step 6: Final answer
    x = 474,467.22

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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.