Home / 746,909.22-1,119,789.54-386,693.94

Finding the Fourth Proportional to 746,909.22, 1,119,789.54 and 386,693.94

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Solution

The fourth proportional to 746,909.22, 1,119,789.54 and 386,693.94 is: 579,743.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,909.22 : 1,119,789.54 = 386,693.94 : x
  2. Step 2: Convert to fraction form
    746,909.22/1,119,789.54 = 386,693.94/x
  3. Step 3: Cross multiply
    746,909.22x = 1,119,789.54 × 386,693.94
  4. Step 4: Simplify right side
    746,909.22x = 433,015,829,193.39
  5. Step 5: Solve for x
    x = 433,015,829,193.39/746,909.22
  6. Step 6: Final answer
    x = 579,743.59

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1.5x scale

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.