Home / 757,453.52-1,044,340.40-485,073.61

Finding the Fourth Proportional to 757,453.52, 1,044,340.40 and 485,073.61

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Solution

The fourth proportional to 757,453.52, 1,044,340.40 and 485,073.61 is: 668,796.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,453.52 : 1,044,340.40 = 485,073.61 : x
  2. Step 2: Convert to fraction form
    757,453.52/1,044,340.40 = 485,073.61/x
  3. Step 3: Cross multiply
    757,453.52x = 1,044,340.40 × 485,073.61
  4. Step 4: Simplify right side
    757,453.52x = 506,581,966,498.68
  5. Step 5: Solve for x
    x = 506,581,966,498.68/757,453.52
  6. Step 6: Final answer
    x = 668,796.11

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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.