Home / 894,781.24-1,234,779.78-486,891.16

Finding the Fourth Proportional to 894,781.24, 1,234,779.78 and 486,891.16

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Solution

The fourth proportional to 894,781.24, 1,234,779.78 and 486,891.16 is: 671,899.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,781.24 : 1,234,779.78 = 486,891.16 : x
  2. Step 2: Convert to fraction form
    894,781.24/1,234,779.78 = 486,891.16/x
  3. Step 3: Cross multiply
    894,781.24x = 1,234,779.78 × 486,891.16
  4. Step 4: Simplify right side
    894,781.24x = 601,203,359,428.75
  5. Step 5: Solve for x
    x = 601,203,359,428.75/894,781.24
  6. Step 6: Final answer
    x = 671,899.83

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Double scale
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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.