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Finding the Fourth Proportional to 580,856.61, 871,045.08 and 252,242.77

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Solution

The fourth proportional to 580,856.61, 871,045.08 and 252,242.77 is: 378,260.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,856.61 : 871,045.08 = 252,242.77 : x
  2. Step 2: Convert to fraction form
    580,856.61/871,045.08 = 252,242.77/x
  3. Step 3: Cross multiply
    580,856.61x = 871,045.08 × 252,242.77
  4. Step 4: Simplify right side
    580,856.61x = 219,714,822,512.86
  5. Step 5: Solve for x
    x = 219,714,822,512.86/580,856.61
  6. Step 6: Final answer
    x = 378,260.01

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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.