Home / 832,631.01-1,149,040.53-488,472.86

Finding the Fourth Proportional to 832,631.01, 1,149,040.53 and 488,472.86

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Solution

The fourth proportional to 832,631.01, 1,149,040.53 and 488,472.86 is: 674,098.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,631.01 : 1,149,040.53 = 488,472.86 : x
  2. Step 2: Convert to fraction form
    832,631.01/1,149,040.53 = 488,472.86/x
  3. Step 3: Cross multiply
    832,631.01x = 1,149,040.53 × 488,472.86
  4. Step 4: Simplify right side
    832,631.01x = 561,275,108,199.81
  5. Step 5: Solve for x
    x = 561,275,108,199.81/832,631.01
  6. Step 6: Final answer
    x = 674,098.25

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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.