Home / 771,432.12-1,156,127.58-558,914.04

Finding the Fourth Proportional to 771,432.12, 1,156,127.58 and 558,914.04

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Solution

The fourth proportional to 771,432.12, 1,156,127.58 and 558,914.04 is: 837,631.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,432.12 : 1,156,127.58 = 558,914.04 : x
  2. Step 2: Convert to fraction form
    771,432.12/1,156,127.58 = 558,914.04/x
  3. Step 3: Cross multiply
    771,432.12x = 1,156,127.58 × 558,914.04
  4. Step 4: Simplify right side
    771,432.12x = 646,175,936,493.22
  5. Step 5: Solve for x
    x = 646,175,936,493.22/771,432.12
  6. Step 6: Final answer
    x = 837,631.62

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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.