Home / 470,230.42-647,443.02-414,983.20

Finding the Fourth Proportional to 470,230.42, 647,443.02 and 414,983.20

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Solution

The fourth proportional to 470,230.42, 647,443.02 and 414,983.20 is: 571,375.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,230.42 : 647,443.02 = 414,983.20 : x
  2. Step 2: Convert to fraction form
    470,230.42/647,443.02 = 414,983.20/x
  3. Step 3: Cross multiply
    470,230.42x = 647,443.02 × 414,983.20
  4. Step 4: Simplify right side
    470,230.42x = 268,677,976,257.26
  5. Step 5: Solve for x
    x = 268,677,976,257.26/470,230.42
  6. Step 6: Final answer
    x = 571,375.15

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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.