Home / 859,559.85-1,287,567.86-503,494.38

Finding the Fourth Proportional to 859,559.85, 1,287,567.86 and 503,494.38

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Solution

The fourth proportional to 859,559.85, 1,287,567.86 and 503,494.38 is: 754,203.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,559.85 : 1,287,567.86 = 503,494.38 : x
  2. Step 2: Convert to fraction form
    859,559.85/1,287,567.86 = 503,494.38/x
  3. Step 3: Cross multiply
    859,559.85x = 1,287,567.86 × 503,494.38
  4. Step 4: Simplify right side
    859,559.85x = 648,283,178,861.16
  5. Step 5: Solve for x
    x = 648,283,178,861.16/859,559.85
  6. Step 6: Final answer
    x = 754,203.65

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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.