Home / 901,419.10-1,243,957.77-493,520.84

Finding the Fourth Proportional to 901,419.10, 1,243,957.77 and 493,520.84

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Solution

The fourth proportional to 901,419.10, 1,243,957.77 and 493,520.84 is: 681,058.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,419.10 : 1,243,957.77 = 493,520.84 : x
  2. Step 2: Convert to fraction form
    901,419.10/1,243,957.77 = 493,520.84/x
  3. Step 3: Cross multiply
    901,419.10x = 1,243,957.77 × 493,520.84
  4. Step 4: Simplify right side
    901,419.10x = 613,919,074,887.53
  5. Step 5: Solve for x
    x = 613,919,074,887.53/901,419.10
  6. Step 6: Final answer
    x = 681,058.43

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Double scale
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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.