Home / 914,503.55-1,262,014.67-506,631.87

Finding the Fourth Proportional to 914,503.55, 1,262,014.67 and 506,631.87

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Solution

The fourth proportional to 914,503.55, 1,262,014.67 and 506,631.87 is: 699,151.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,503.55 : 1,262,014.67 = 506,631.87 : x
  2. Step 2: Convert to fraction form
    914,503.55/1,262,014.67 = 506,631.87/x
  3. Step 3: Cross multiply
    914,503.55x = 1,262,014.67 × 506,631.87
  4. Step 4: Simplify right side
    914,503.55x = 639,376,853,496.11
  5. Step 5: Solve for x
    x = 639,376,853,496.11/914,503.55
  6. Step 6: Final answer
    x = 699,151.86

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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.