Home / 871,529.13-1,307,369.03-240,442.95

Finding the Fourth Proportional to 871,529.13, 1,307,369.03 and 240,442.95

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Solution

The fourth proportional to 871,529.13, 1,307,369.03 and 240,442.95 is: 360,685.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,529.13 : 1,307,369.03 = 240,442.95 : x
  2. Step 2: Convert to fraction form
    871,529.13/1,307,369.03 = 240,442.95/x
  3. Step 3: Cross multiply
    871,529.13x = 1,307,369.03 × 240,442.95
  4. Step 4: Simplify right side
    871,529.13x = 314,347,665,109.62
  5. Step 5: Solve for x
    x = 314,347,665,109.62/871,529.13
  6. Step 6: Final answer
    x = 360,685.21

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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.