Home / 868,465.56-1,302,378.48-299,701.56

Finding the Fourth Proportional to 868,465.56, 1,302,378.48 and 299,701.56

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Solution

The fourth proportional to 868,465.56, 1,302,378.48 and 299,701.56 is: 449,441.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,465.56 : 1,302,378.48 = 299,701.56 : x
  2. Step 2: Convert to fraction form
    868,465.56/1,302,378.48 = 299,701.56/x
  3. Step 3: Cross multiply
    868,465.56x = 1,302,378.48 × 299,701.56
  4. Step 4: Simplify right side
    868,465.56x = 390,324,862,166.43
  5. Step 5: Solve for x
    x = 390,324,862,166.43/868,465.56
  6. Step 6: Final answer
    x = 449,441.96

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Double scale
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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.