Home / 871,396.20-1,307,095.29-272,360.52

Finding the Fourth Proportional to 871,396.20, 1,307,095.29 and 272,360.52

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Solution

The fourth proportional to 871,396.20, 1,307,095.29 and 272,360.52 is: 408,541.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,396.20 : 1,307,095.29 = 272,360.52 : x
  2. Step 2: Convert to fraction form
    871,396.20/1,307,095.29 = 272,360.52/x
  3. Step 3: Cross multiply
    871,396.20x = 1,307,095.29 × 272,360.52
  4. Step 4: Simplify right side
    871,396.20x = 356,001,152,873.95
  5. Step 5: Solve for x
    x = 356,001,152,873.95/871,396.20
  6. Step 6: Final answer
    x = 408,541.09

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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.