Home / 787,052.85-1,086,127.91-447,521.13

Finding the Fourth Proportional to 787,052.85, 1,086,127.91 and 447,521.13

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Solution

The fourth proportional to 787,052.85, 1,086,127.91 and 447,521.13 is: 617,576.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,052.85 : 1,086,127.91 = 447,521.13 : x
  2. Step 2: Convert to fraction form
    787,052.85/1,086,127.91 = 447,521.13/x
  3. Step 3: Cross multiply
    787,052.85x = 1,086,127.91 × 447,521.13
  4. Step 4: Simplify right side
    787,052.85x = 486,065,184,177.10
  5. Step 5: Solve for x
    x = 486,065,184,177.10/787,052.85
  6. Step 6: Final answer
    x = 617,576.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.