Home / 908,051.82-1,253,119.95-500,155.14

Finding the Fourth Proportional to 908,051.82, 1,253,119.95 and 500,155.14

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Solution

The fourth proportional to 908,051.82, 1,253,119.95 and 500,155.14 is: 690,218.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,051.82 : 1,253,119.95 = 500,155.14 : x
  2. Step 2: Convert to fraction form
    908,051.82/1,253,119.95 = 500,155.14/x
  3. Step 3: Cross multiply
    908,051.82x = 1,253,119.95 × 500,155.14
  4. Step 4: Simplify right side
    908,051.82x = 626,754,384,029.04
  5. Step 5: Solve for x
    x = 626,754,384,029.04/908,051.82
  6. Step 6: Final answer
    x = 690,218.74

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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.