Home / 765,975.43-1,056,885.87-443,666.32

Finding the Fourth Proportional to 765,975.43, 1,056,885.87 and 443,666.32

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Solution

The fourth proportional to 765,975.43, 1,056,885.87 and 443,666.32 is: 612,166.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,975.43 : 1,056,885.87 = 443,666.32 : x
  2. Step 2: Convert to fraction form
    765,975.43/1,056,885.87 = 443,666.32/x
  3. Step 3: Cross multiply
    765,975.43x = 1,056,885.87 × 443,666.32
  4. Step 4: Simplify right side
    765,975.43x = 468,904,664,602.90
  5. Step 5: Solve for x
    x = 468,904,664,602.90/765,975.43
  6. Step 6: Final answer
    x = 612,166.72

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1.5x scale

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.