Home / 901,419.66-1,243,960.17-493,524.72

Finding the Fourth Proportional to 901,419.66, 1,243,960.17 and 493,524.72

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Solution

The fourth proportional to 901,419.66, 1,243,960.17 and 493,524.72 is: 681,064.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,419.66 : 1,243,960.17 = 493,524.72 : x
  2. Step 2: Convert to fraction form
    901,419.66/1,243,960.17 = 493,524.72/x
  3. Step 3: Cross multiply
    901,419.66x = 1,243,960.17 × 493,524.72
  4. Step 4: Simplify right side
    901,419.66x = 613,925,094,590.40
  5. Step 5: Solve for x
    x = 613,925,094,590.40/901,419.66
  6. Step 6: Final answer
    x = 681,064.68

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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.