Home / 862,223.49-1,293,400.85-293,428.53

Finding the Fourth Proportional to 862,223.49, 1,293,400.85 and 293,428.53

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Solution

The fourth proportional to 862,223.49, 1,293,400.85 and 293,428.53 is: 440,165.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,223.49 : 1,293,400.85 = 293,428.53 : x
  2. Step 2: Convert to fraction form
    862,223.49/1,293,400.85 = 293,428.53/x
  3. Step 3: Cross multiply
    862,223.49x = 1,293,400.85 × 293,428.53
  4. Step 4: Simplify right side
    862,223.49x = 379,520,708,649.11
  5. Step 5: Solve for x
    x = 379,520,708,649.11/862,223.49
  6. Step 6: Final answer
    x = 440,165.12

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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.