Home / 955,458.60-1,433,187.90-386,838.60

Finding the Fourth Proportional to 955,458.60, 1,433,187.90 and 386,838.60

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Solution

The fourth proportional to 955,458.60, 1,433,187.90 and 386,838.60 is: 580,257.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,458.60 : 1,433,187.90 = 386,838.60 : x
  2. Step 2: Convert to fraction form
    955,458.60/1,433,187.90 = 386,838.60/x
  3. Step 3: Cross multiply
    955,458.60x = 1,433,187.90 × 386,838.60
  4. Step 4: Simplify right side
    955,458.60x = 554,412,400,772.94
  5. Step 5: Solve for x
    x = 554,412,400,772.94/955,458.60
  6. Step 6: Final answer
    x = 580,257.90

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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.