Home / 384,934.80-574,434.60-338,288.16

Finding the Fourth Proportional to 384,934.80, 574,434.60 and 338,288.16

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Solution

The fourth proportional to 384,934.80, 574,434.60 and 338,288.16 is: 504,824.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,934.80 : 574,434.60 = 338,288.16 : x
  2. Step 2: Convert to fraction form
    384,934.80/574,434.60 = 338,288.16/x
  3. Step 3: Cross multiply
    384,934.80x = 574,434.60 × 338,288.16
  4. Step 4: Simplify right side
    384,934.80x = 194,324,423,874.34
  5. Step 5: Solve for x
    x = 194,324,423,874.34/384,934.80
  6. Step 6: Final answer
    x = 504,824.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.