Home / 721,543.70-1,082,689.01-523,498.70

Finding the Fourth Proportional to 721,543.70, 1,082,689.01 and 523,498.70

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Solution

The fourth proportional to 721,543.70, 1,082,689.01 and 523,498.70 is: 785,519.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,543.70 : 1,082,689.01 = 523,498.70 : x
  2. Step 2: Convert to fraction form
    721,543.70/1,082,689.01 = 523,498.70/x
  3. Step 3: Cross multiply
    721,543.70x = 1,082,689.01 × 523,498.70
  4. Step 4: Simplify right side
    721,543.70x = 566,786,289,239.29
  5. Step 5: Solve for x
    x = 566,786,289,239.29/721,543.70
  6. Step 6: Final answer
    x = 785,519.00

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Double scale
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1.5x scale

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.