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Finding the Fourth Proportional to 581,004.54, 870,718.68 and 280,887.39

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Solution

The fourth proportional to 581,004.54, 870,718.68 and 280,887.39 is: 420,950.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,004.54 : 870,718.68 = 280,887.39 : x
  2. Step 2: Convert to fraction form
    581,004.54/870,718.68 = 280,887.39/x
  3. Step 3: Cross multiply
    581,004.54x = 870,718.68 × 280,887.39
  4. Step 4: Simplify right side
    581,004.54x = 244,573,897,449.45
  5. Step 5: Solve for x
    x = 244,573,897,449.45/581,004.54
  6. Step 6: Final answer
    x = 420,950.06

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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.