Home / 755,491.43-1,043,270.89-479,938.26

Finding the Fourth Proportional to 755,491.43, 1,043,270.89 and 479,938.26

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Solution

The fourth proportional to 755,491.43, 1,043,270.89 and 479,938.26 is: 662,754.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,491.43 : 1,043,270.89 = 479,938.26 : x
  2. Step 2: Convert to fraction form
    755,491.43/1,043,270.89 = 479,938.26/x
  3. Step 3: Cross multiply
    755,491.43x = 1,043,270.89 × 479,938.26
  4. Step 4: Simplify right side
    755,491.43x = 500,705,618,367.67
  5. Step 5: Solve for x
    x = 500,705,618,367.67/755,491.43
  6. Step 6: Final answer
    x = 662,754.86

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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.