Home / 765,491.61-1,056,378.36-416,634.52

Finding the Fourth Proportional to 765,491.61, 1,056,378.36 and 416,634.52

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Solution

The fourth proportional to 765,491.61, 1,056,378.36 and 416,634.52 is: 574,955.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,491.61 : 1,056,378.36 = 416,634.52 : x
  2. Step 2: Convert to fraction form
    765,491.61/1,056,378.36 = 416,634.52/x
  3. Step 3: Cross multiply
    765,491.61x = 1,056,378.36 × 416,634.52
  4. Step 4: Simplify right side
    765,491.61x = 440,123,693,839.84
  5. Step 5: Solve for x
    x = 440,123,693,839.84/765,491.61
  6. Step 6: Final answer
    x = 574,955.61

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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.