Home / 770,752.87-1,063,631.05-426,589.54

Finding the Fourth Proportional to 770,752.87, 1,063,631.05 and 426,589.54

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Solution

The fourth proportional to 770,752.87, 1,063,631.05 and 426,589.54 is: 588,689.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,752.87 : 1,063,631.05 = 426,589.54 : x
  2. Step 2: Convert to fraction form
    770,752.87/1,063,631.05 = 426,589.54/x
  3. Step 3: Cross multiply
    770,752.87x = 1,063,631.05 × 426,589.54
  4. Step 4: Simplify right side
    770,752.87x = 453,733,876,623.67
  5. Step 5: Solve for x
    x = 453,733,876,623.67/770,752.87
  6. Step 6: Final answer
    x = 588,689.18

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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.