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Finding the Fourth Proportional to 581,227.68, 870,103.44 and 355,879.20

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Solution

The fourth proportional to 581,227.68, 870,103.44 and 355,879.20 is: 532,754.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,227.68 : 870,103.44 = 355,879.20 : x
  2. Step 2: Convert to fraction form
    581,227.68/870,103.44 = 355,879.20/x
  3. Step 3: Cross multiply
    581,227.68x = 870,103.44 × 355,879.20
  4. Step 4: Simplify right side
    581,227.68x = 309,651,716,144.45
  5. Step 5: Solve for x
    x = 309,651,716,144.45/581,227.68
  6. Step 6: Final answer
    x = 532,754.59

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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.