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Finding the Fourth Proportional to 435,601.76, 601,332.48 and 290,648.48

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Solution

The fourth proportional to 435,601.76, 601,332.48 and 290,648.48 is: 401,229.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,601.76 : 601,332.48 = 290,648.48 : x
  2. Step 2: Convert to fraction form
    435,601.76/601,332.48 = 290,648.48/x
  3. Step 3: Cross multiply
    435,601.76x = 601,332.48 × 290,648.48
  4. Step 4: Simplify right side
    435,601.76x = 174,776,371,286.63
  5. Step 5: Solve for x
    x = 174,776,371,286.63/435,601.76
  6. Step 6: Final answer
    x = 401,229.72

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1.5x scale

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.