Home / 868,221.27-1,302,776.01-413,326.49

Finding the Fourth Proportional to 868,221.27, 1,302,776.01 and 413,326.49

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Solution

The fourth proportional to 868,221.27, 1,302,776.01 and 413,326.49 is: 620,201.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,221.27 : 1,302,776.01 = 413,326.49 : x
  2. Step 2: Convert to fraction form
    868,221.27/1,302,776.01 = 413,326.49/x
  3. Step 3: Cross multiply
    868,221.27x = 1,302,776.01 × 413,326.49
  4. Step 4: Simplify right side
    868,221.27x = 538,471,828,955.63
  5. Step 5: Solve for x
    x = 538,471,828,955.63/868,221.27
  6. Step 6: Final answer
    x = 620,201.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.