Home / 894,115.13-1,233,884.71-486,221.40

Finding the Fourth Proportional to 894,115.13, 1,233,884.71 and 486,221.40

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Solution

The fourth proportional to 894,115.13, 1,233,884.71 and 486,221.40 is: 670,988.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,115.13 : 1,233,884.71 = 486,221.40 : x
  2. Step 2: Convert to fraction form
    894,115.13/1,233,884.71 = 486,221.40/x
  3. Step 3: Cross multiply
    894,115.13x = 1,233,884.71 × 486,221.40
  4. Step 4: Simplify right side
    894,115.13x = 599,941,151,742.57
  5. Step 5: Solve for x
    x = 599,941,151,742.57/894,115.13
  6. Step 6: Final answer
    x = 670,988.71

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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.