Home / 871,988.46-1,307,969.73-240,888.30

Finding the Fourth Proportional to 871,988.46, 1,307,969.73 and 240,888.30

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Solution

The fourth proportional to 871,988.46, 1,307,969.73 and 240,888.30 is: 361,328.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,988.46 : 1,307,969.73 = 240,888.30 : x
  2. Step 2: Convert to fraction form
    871,988.46/1,307,969.73 = 240,888.30/x
  3. Step 3: Cross multiply
    871,988.46x = 1,307,969.73 × 240,888.30
  4. Step 4: Simplify right side
    871,988.46x = 315,074,604,711.16
  5. Step 5: Solve for x
    x = 315,074,604,711.16/871,988.46
  6. Step 6: Final answer
    x = 361,328.87

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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.