Home / 917,366.12-1,265,930.52-509,494.22

Finding the Fourth Proportional to 917,366.12, 1,265,930.52 and 509,494.22

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Solution

The fourth proportional to 917,366.12, 1,265,930.52 and 509,494.22 is: 703,082.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,366.12 : 1,265,930.52 = 509,494.22 : x
  2. Step 2: Convert to fraction form
    917,366.12/1,265,930.52 = 509,494.22/x
  3. Step 3: Cross multiply
    917,366.12x = 1,265,930.52 × 509,494.22
  4. Step 4: Simplify right side
    917,366.12x = 644,984,282,861.59
  5. Step 5: Solve for x
    x = 644,984,282,861.59/917,366.12
  6. Step 6: Final answer
    x = 703,082.74

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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.