Home / 721,869.14-993,896.85-635,767.22

Finding the Fourth Proportional to 721,869.14, 993,896.85 and 635,767.22

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Solution

The fourth proportional to 721,869.14, 993,896.85 and 635,767.22 is: 875,348.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,869.14 : 993,896.85 = 635,767.22 : x
  2. Step 2: Convert to fraction form
    721,869.14/993,896.85 = 635,767.22/x
  3. Step 3: Cross multiply
    721,869.14x = 993,896.85 × 635,767.22
  4. Step 4: Simplify right side
    721,869.14x = 631,887,037,291.26
  5. Step 5: Solve for x
    x = 631,887,037,291.26/721,869.14
  6. Step 6: Final answer
    x = 875,348.46

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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.