Home / 755,715.80-1,133,573.70-657,300.80

Finding the Fourth Proportional to 755,715.80, 1,133,573.70 and 657,300.80

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Solution

The fourth proportional to 755,715.80, 1,133,573.70 and 657,300.80 is: 985,951.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,715.80 : 1,133,573.70 = 657,300.80 : x
  2. Step 2: Convert to fraction form
    755,715.80/1,133,573.70 = 657,300.80/x
  3. Step 3: Cross multiply
    755,715.80x = 1,133,573.70 × 657,300.80
  4. Step 4: Simplify right side
    755,715.80x = 745,098,899,868.96
  5. Step 5: Solve for x
    x = 745,098,899,868.96/755,715.80
  6. Step 6: Final answer
    x = 985,951.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.