Home / 753,130.66-1,039,338.39-413,606.20

Finding the Fourth Proportional to 753,130.66, 1,039,338.39 and 413,606.20

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Solution

The fourth proportional to 753,130.66, 1,039,338.39 and 413,606.20 is: 570,786.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,130.66 : 1,039,338.39 = 413,606.20 : x
  2. Step 2: Convert to fraction form
    753,130.66/1,039,338.39 = 413,606.20/x
  3. Step 3: Cross multiply
    753,130.66x = 1,039,338.39 × 413,606.20
  4. Step 4: Simplify right side
    753,130.66x = 429,876,802,002.02
  5. Step 5: Solve for x
    x = 429,876,802,002.02/753,130.66
  6. Step 6: Final answer
    x = 570,786.48

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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.