Home / 985,207.72-1,359,663.66-549,761.98

Finding the Fourth Proportional to 985,207.72, 1,359,663.66 and 549,761.98

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Solution

The fourth proportional to 985,207.72, 1,359,663.66 and 549,761.98 is: 758,714.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,207.72 : 1,359,663.66 = 549,761.98 : x
  2. Step 2: Convert to fraction form
    985,207.72/1,359,663.66 = 549,761.98/x
  3. Step 3: Cross multiply
    985,207.72x = 1,359,663.66 × 549,761.98
  4. Step 4: Simplify right side
    985,207.72x = 747,491,385,855.65
  5. Step 5: Solve for x
    x = 747,491,385,855.65/985,207.72
  6. Step 6: Final answer
    x = 758,714.50

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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.