Home / 871,017.72-1,307,032.50-338,906.04

Finding the Fourth Proportional to 871,017.72, 1,307,032.50 and 338,906.04

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Solution

The fourth proportional to 871,017.72, 1,307,032.50 and 338,906.04 is: 508,555.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,017.72 : 1,307,032.50 = 338,906.04 : x
  2. Step 2: Convert to fraction form
    871,017.72/1,307,032.50 = 338,906.04/x
  3. Step 3: Cross multiply
    871,017.72x = 1,307,032.50 × 338,906.04
  4. Step 4: Simplify right side
    871,017.72x = 442,961,208,726.30
  5. Step 5: Solve for x
    x = 442,961,208,726.30/871,017.72
  6. Step 6: Final answer
    x = 508,555.91

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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.