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Finding the Fourth Proportional to 560,789.48, 773,888.74 and 359,585

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Solution

The fourth proportional to 560,789.48, 773,888.74 and 359,585 is: 496,226.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,789.48 : 773,888.74 = 359,585 : x
  2. Step 2: Convert to fraction form
    560,789.48/773,888.74 = 359,585/x
  3. Step 3: Cross multiply
    560,789.48x = 773,888.74 × 359,585
  4. Step 4: Simplify right side
    560,789.48x = 278,278,782,572.90
  5. Step 5: Solve for x
    x = 278,278,782,572.90/560,789.48
  6. Step 6: Final answer
    x = 496,226.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.