Home / 404,121.60-607,348.80-397,123.20

Finding the Fourth Proportional to 404,121.60, 607,348.80 and 397,123.20

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Solution

The fourth proportional to 404,121.60, 607,348.80 and 397,123.20 is: 596,831.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,121.60 : 607,348.80 = 397,123.20 : x
  2. Step 2: Convert to fraction form
    404,121.60/607,348.80 = 397,123.20/x
  3. Step 3: Cross multiply
    404,121.60x = 607,348.80 × 397,123.20
  4. Step 4: Simplify right side
    404,121.60x = 241,192,298,972.16
  5. Step 5: Solve for x
    x = 241,192,298,972.16/404,121.60
  6. Step 6: Final answer
    x = 596,831.00

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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.