Home / 772,999.38-1,158,429.87-558,053.46

Finding the Fourth Proportional to 772,999.38, 1,158,429.87 and 558,053.46

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Solution

The fourth proportional to 772,999.38, 1,158,429.87 and 558,053.46 is: 836,308.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,999.38 : 1,158,429.87 = 558,053.46 : x
  2. Step 2: Convert to fraction form
    772,999.38/1,158,429.87 = 558,053.46/x
  3. Step 3: Cross multiply
    772,999.38x = 1,158,429.87 × 558,053.46
  4. Step 4: Simplify right side
    772,999.38x = 646,465,797,120.85
  5. Step 5: Solve for x
    x = 646,465,797,120.85/772,999.38
  6. Step 6: Final answer
    x = 836,308.30

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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.