Home / 985,349.28-1,359,782.28-555,629.52

Finding the Fourth Proportional to 985,349.28, 1,359,782.28 and 555,629.52

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Solution

The fourth proportional to 985,349.28, 1,359,782.28 and 555,629.52 is: 766,768.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,349.28 : 1,359,782.28 = 555,629.52 : x
  2. Step 2: Convert to fraction form
    985,349.28/1,359,782.28 = 555,629.52/x
  3. Step 3: Cross multiply
    985,349.28x = 1,359,782.28 × 555,629.52
  4. Step 4: Simplify right side
    985,349.28x = 755,535,175,540.91
  5. Step 5: Solve for x
    x = 755,535,175,540.91/985,349.28
  6. Step 6: Final answer
    x = 766,768.89

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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.