Home / 731,115.48-1,008,933.64-408,826.20

Finding the Fourth Proportional to 731,115.48, 1,008,933.64 and 408,826.20

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Solution

The fourth proportional to 731,115.48, 1,008,933.64 and 408,826.20 is: 564,176.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,115.48 : 1,008,933.64 = 408,826.20 : x
  2. Step 2: Convert to fraction form
    731,115.48/1,008,933.64 = 408,826.20/x
  3. Step 3: Cross multiply
    731,115.48x = 1,008,933.64 × 408,826.20
  4. Step 4: Simplify right side
    731,115.48x = 412,478,506,093.37
  5. Step 5: Solve for x
    x = 412,478,506,093.37/731,115.48
  6. Step 6: Final answer
    x = 564,176.96

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1.5x scale

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.