Home / 420,292.46-629,625.86-352,013.85

Finding the Fourth Proportional to 420,292.46, 629,625.86 and 352,013.85

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Solution

The fourth proportional to 420,292.46, 629,625.86 and 352,013.85 is: 527,339.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,292.46 : 629,625.86 = 352,013.85 : x
  2. Step 2: Convert to fraction form
    420,292.46/629,625.86 = 352,013.85/x
  3. Step 3: Cross multiply
    420,292.46x = 629,625.86 × 352,013.85
  4. Step 4: Simplify right side
    420,292.46x = 221,637,023,038.16
  5. Step 5: Solve for x
    x = 221,637,023,038.16/420,292.46
  6. Step 6: Final answer
    x = 527,339.99

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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.