Home / 788,104.32-1,087,505.43-443,930.66

Finding the Fourth Proportional to 788,104.32, 1,087,505.43 and 443,930.66

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Solution

The fourth proportional to 788,104.32, 1,087,505.43 and 443,930.66 is: 612,580.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,104.32 : 1,087,505.43 = 443,930.66 : x
  2. Step 2: Convert to fraction form
    788,104.32/1,087,505.43 = 443,930.66/x
  3. Step 3: Cross multiply
    788,104.32x = 1,087,505.43 × 443,930.66
  4. Step 4: Simplify right side
    788,104.32x = 482,777,000,269.36
  5. Step 5: Solve for x
    x = 482,777,000,269.36/788,104.32
  6. Step 6: Final answer
    x = 612,580.07

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1.5x scale

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.