Home / 426,300.57-639,264.83-226,572.93

Finding the Fourth Proportional to 426,300.57, 639,264.83 and 226,572.93

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Solution

The fourth proportional to 426,300.57, 639,264.83 and 226,572.93 is: 339,760.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,300.57 : 639,264.83 = 226,572.93 : x
  2. Step 2: Convert to fraction form
    426,300.57/639,264.83 = 226,572.93/x
  3. Step 3: Cross multiply
    426,300.57x = 639,264.83 × 226,572.93
  4. Step 4: Simplify right side
    426,300.57x = 144,840,104,446.19
  5. Step 5: Solve for x
    x = 144,840,104,446.19/426,300.57
  6. Step 6: Final answer
    x = 339,760.52

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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.