Home / 545,077.76-752,037.98-309,292.96

Finding the Fourth Proportional to 545,077.76, 752,037.98 and 309,292.96

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Solution

The fourth proportional to 545,077.76, 752,037.98 and 309,292.96 is: 426,728.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,077.76 : 752,037.98 = 309,292.96 : x
  2. Step 2: Convert to fraction form
    545,077.76/752,037.98 = 309,292.96/x
  3. Step 3: Cross multiply
    545,077.76x = 752,037.98 × 309,292.96
  4. Step 4: Simplify right side
    545,077.76x = 232,600,052,866.62
  5. Step 5: Solve for x
    x = 232,600,052,866.62/545,077.76
  6. Step 6: Final answer
    x = 426,728.20

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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.