Home / 963,191.70-1,330,098.03-721,053.90

Finding the Fourth Proportional to 963,191.70, 1,330,098.03 and 721,053.90

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Solution

The fourth proportional to 963,191.70, 1,330,098.03 and 721,053.90 is: 995,723.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,191.70 : 1,330,098.03 = 721,053.90 : x
  2. Step 2: Convert to fraction form
    963,191.70/1,330,098.03 = 721,053.90/x
  3. Step 3: Cross multiply
    963,191.70x = 1,330,098.03 × 721,053.90
  4. Step 4: Simplify right side
    963,191.70x = 959,072,371,913.82
  5. Step 5: Solve for x
    x = 959,072,371,913.82/963,191.70
  6. Step 6: Final answer
    x = 995,723.25

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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.