Home / 757,471.80-1,045,689.84-471,084.16

Finding the Fourth Proportional to 757,471.80, 1,045,689.84 and 471,084.16

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Solution

The fourth proportional to 757,471.80, 1,045,689.84 and 471,084.16 is: 650,331.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,471.80 : 1,045,689.84 = 471,084.16 : x
  2. Step 2: Convert to fraction form
    757,471.80/1,045,689.84 = 471,084.16/x
  3. Step 3: Cross multiply
    757,471.80x = 1,045,689.84 × 471,084.16
  4. Step 4: Simplify right side
    757,471.80x = 492,607,919,896.93
  5. Step 5: Solve for x
    x = 492,607,919,896.93/757,471.80
  6. Step 6: Final answer
    x = 650,331.70

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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.