Home / 486,634.11-666,677.61-468,440.13

Finding the Fourth Proportional to 486,634.11, 666,677.61 and 468,440.13

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Solution

The fourth proportional to 486,634.11, 666,677.61 and 468,440.13 is: 641,752.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,634.11 : 666,677.61 = 468,440.13 : x
  2. Step 2: Convert to fraction form
    486,634.11/666,677.61 = 468,440.13/x
  3. Step 3: Cross multiply
    486,634.11x = 666,677.61 × 468,440.13
  4. Step 4: Simplify right side
    486,634.11x = 312,298,546,296.49
  5. Step 5: Solve for x
    x = 312,298,546,296.49/486,634.11
  6. Step 6: Final answer
    x = 641,752.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.