Home / 867,244.86-1,300,867.29-571,687.74

Finding the Fourth Proportional to 867,244.86, 1,300,867.29 and 571,687.74

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Solution

The fourth proportional to 867,244.86, 1,300,867.29 and 571,687.74 is: 857,531.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,244.86 : 1,300,867.29 = 571,687.74 : x
  2. Step 2: Convert to fraction form
    867,244.86/1,300,867.29 = 571,687.74/x
  3. Step 3: Cross multiply
    867,244.86x = 1,300,867.29 × 571,687.74
  4. Step 4: Simplify right side
    867,244.86x = 743,689,881,060.03
  5. Step 5: Solve for x
    x = 743,689,881,060.03/867,244.86
  6. Step 6: Final answer
    x = 857,531.61

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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.