Home / 908,601.72-1,253,878.77-500,718.16

Finding the Fourth Proportional to 908,601.72, 1,253,878.77 and 500,718.16

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Solution

The fourth proportional to 908,601.72, 1,253,878.77 and 500,718.16 is: 690,995.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,601.72 : 1,253,878.77 = 500,718.16 : x
  2. Step 2: Convert to fraction form
    908,601.72/1,253,878.77 = 500,718.16/x
  3. Step 3: Cross multiply
    908,601.72x = 1,253,878.77 × 500,718.16
  4. Step 4: Simplify right side
    908,601.72x = 627,839,870,577.46
  5. Step 5: Solve for x
    x = 627,839,870,577.46/908,601.72
  6. Step 6: Final answer
    x = 690,995.69

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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.