Home / 724,301.52-1,087,518.80-405,078.82

Finding the Fourth Proportional to 724,301.52, 1,087,518.80 and 405,078.82

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Solution

The fourth proportional to 724,301.52, 1,087,518.80 and 405,078.82 is: 608,214.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,301.52 : 1,087,518.80 = 405,078.82 : x
  2. Step 2: Convert to fraction form
    724,301.52/1,087,518.80 = 405,078.82/x
  3. Step 3: Cross multiply
    724,301.52x = 1,087,518.80 × 405,078.82
  4. Step 4: Simplify right side
    724,301.52x = 440,530,833,084.87
  5. Step 5: Solve for x
    x = 440,530,833,084.87/724,301.52
  6. Step 6: Final answer
    x = 608,214.70

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1.5x scale

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.