Home / 788,789.88-1,182,711.36-361,790.76

Finding the Fourth Proportional to 788,789.88, 1,182,711.36 and 361,790.76

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Solution

The fourth proportional to 788,789.88, 1,182,711.36 and 361,790.76 is: 542,468.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,789.88 : 1,182,711.36 = 361,790.76 : x
  2. Step 2: Convert to fraction form
    788,789.88/1,182,711.36 = 361,790.76/x
  3. Step 3: Cross multiply
    788,789.88x = 1,182,711.36 × 361,790.76
  4. Step 4: Simplify right side
    788,789.88x = 427,894,041,795.03
  5. Step 5: Solve for x
    x = 427,894,041,795.03/788,789.88
  6. Step 6: Final answer
    x = 542,468.98

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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.