Home / 757,072.20-1,136,045.70-283,805.40

Finding the Fourth Proportional to 757,072.20, 1,136,045.70 and 283,805.40

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Solution

The fourth proportional to 757,072.20, 1,136,045.70 and 283,805.40 is: 425,872.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,072.20 : 1,136,045.70 = 283,805.40 : x
  2. Step 2: Convert to fraction form
    757,072.20/1,136,045.70 = 283,805.40/x
  3. Step 3: Cross multiply
    757,072.20x = 1,136,045.70 × 283,805.40
  4. Step 4: Simplify right side
    757,072.20x = 322,415,904,306.78
  5. Step 5: Solve for x
    x = 322,415,904,306.78/757,072.20
  6. Step 6: Final answer
    x = 425,872.07

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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.