Home / 859,541.18-1,287,539.90-503,475.72

Finding the Fourth Proportional to 859,541.18, 1,287,539.90 and 503,475.72

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Solution

The fourth proportional to 859,541.18, 1,287,539.90 and 503,475.72 is: 754,175.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,541.18 : 1,287,539.90 = 503,475.72 : x
  2. Step 2: Convert to fraction form
    859,541.18/1,287,539.90 = 503,475.72/x
  3. Step 3: Cross multiply
    859,541.18x = 1,287,539.90 × 503,475.72
  4. Step 4: Simplify right side
    859,541.18x = 648,245,078,181.23
  5. Step 5: Solve for x
    x = 648,245,078,181.23/859,541.18
  6. Step 6: Final answer
    x = 754,175.71

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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.