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Finding the Fourth Proportional to 650,309.80, 974,808.60 and 295,578.40

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Solution

The fourth proportional to 650,309.80, 974,808.60 and 295,578.40 is: 443,069.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,309.80 : 974,808.60 = 295,578.40 : x
  2. Step 2: Convert to fraction form
    650,309.80/974,808.60 = 295,578.40/x
  3. Step 3: Cross multiply
    650,309.80x = 974,808.60 × 295,578.40
  4. Step 4: Simplify right side
    650,309.80x = 288,132,366,294.24
  5. Step 5: Solve for x
    x = 288,132,366,294.24/650,309.80
  6. Step 6: Final answer
    x = 443,069.39

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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.