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Finding the Fourth Proportional to 553,684.80, 829,974.24 and 273,403.20

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Solution

The fourth proportional to 553,684.80, 829,974.24 and 273,403.20 is: 409,831.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,684.80 : 829,974.24 = 273,403.20 : x
  2. Step 2: Convert to fraction form
    553,684.80/829,974.24 = 273,403.20/x
  3. Step 3: Cross multiply
    553,684.80x = 829,974.24 × 273,403.20
  4. Step 4: Simplify right side
    553,684.80x = 226,917,613,133.57
  5. Step 5: Solve for x
    x = 226,917,613,133.57/553,684.80
  6. Step 6: Final answer
    x = 409,831.75

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1.5x scale

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.