Home / 765,966.93-1,056,874.14-443,657.81

Finding the Fourth Proportional to 765,966.93, 1,056,874.14 and 443,657.81

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Solution

The fourth proportional to 765,966.93, 1,056,874.14 and 443,657.81 is: 612,154.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,966.93 : 1,056,874.14 = 443,657.81 : x
  2. Step 2: Convert to fraction form
    765,966.93/1,056,874.14 = 443,657.81/x
  3. Step 3: Cross multiply
    765,966.93x = 1,056,874.14 × 443,657.81
  4. Step 4: Simplify right side
    765,966.93x = 468,890,461,113.66
  5. Step 5: Solve for x
    x = 468,890,461,113.66/765,966.93
  6. Step 6: Final answer
    x = 612,154.97

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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.