Home / 753,008.40-1,039,145.76-413,475.84

Finding the Fourth Proportional to 753,008.40, 1,039,145.76 and 413,475.84

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Solution

The fourth proportional to 753,008.40, 1,039,145.76 and 413,475.84 is: 570,593.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,008.40 : 1,039,145.76 = 413,475.84 : x
  2. Step 2: Convert to fraction form
    753,008.40/1,039,145.76 = 413,475.84/x
  3. Step 3: Cross multiply
    753,008.40x = 1,039,145.76 × 413,475.84
  4. Step 4: Simplify right side
    753,008.40x = 429,661,665,998.44
  5. Step 5: Solve for x
    x = 429,661,665,998.44/753,008.40
  6. Step 6: Final answer
    x = 570,593.46

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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.