Home / 914,503.42-1,262,014.50-506,631.75

Finding the Fourth Proportional to 914,503.42, 1,262,014.50 and 506,631.75

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Solution

The fourth proportional to 914,503.42, 1,262,014.50 and 506,631.75 is: 699,151.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,503.42 : 1,262,014.50 = 506,631.75 : x
  2. Step 2: Convert to fraction form
    914,503.42/1,262,014.50 = 506,631.75/x
  3. Step 3: Cross multiply
    914,503.42x = 1,262,014.50 × 506,631.75
  4. Step 4: Simplify right side
    914,503.42x = 639,376,614,660.38
  5. Step 5: Solve for x
    x = 639,376,614,660.38/914,503.42
  6. Step 6: Final answer
    x = 699,151.69

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Double scale
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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.