Home / 868,100.70-1,302,304.14-299,436.96

Finding the Fourth Proportional to 868,100.70, 1,302,304.14 and 299,436.96

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Solution

The fourth proportional to 868,100.70, 1,302,304.14 and 299,436.96 is: 449,208.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,100.70 : 1,302,304.14 = 299,436.96 : x
  2. Step 2: Convert to fraction form
    868,100.70/1,302,304.14 = 299,436.96/x
  3. Step 3: Cross multiply
    868,100.70x = 1,302,304.14 × 299,436.96
  4. Step 4: Simplify right side
    868,100.70x = 389,957,992,677.01
  5. Step 5: Solve for x
    x = 389,957,992,677.01/868,100.70
  6. Step 6: Final answer
    x = 449,208.25

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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.