Home / 387,773.06-581,065.45-260,944.07

Finding the Fourth Proportional to 387,773.06, 581,065.45 and 260,944.07

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Solution

The fourth proportional to 387,773.06, 581,065.45 and 260,944.07 is: 391,016.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,773.06 : 581,065.45 = 260,944.07 : x
  2. Step 2: Convert to fraction form
    387,773.06/581,065.45 = 260,944.07/x
  3. Step 3: Cross multiply
    387,773.06x = 581,065.45 × 260,944.07
  4. Step 4: Simplify right side
    387,773.06x = 151,625,579,901.69
  5. Step 5: Solve for x
    x = 151,625,579,901.69/387,773.06
  6. Step 6: Final answer
    x = 391,016.29

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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.