Home / 905,170.72-1,357,931.14-306,229.46

Finding the Fourth Proportional to 905,170.72, 1,357,931.14 and 306,229.46

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Solution

The fourth proportional to 905,170.72, 1,357,931.14 and 306,229.46 is: 459,403.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,170.72 : 1,357,931.14 = 306,229.46 : x
  2. Step 2: Convert to fraction form
    905,170.72/1,357,931.14 = 306,229.46/x
  3. Step 3: Cross multiply
    905,170.72x = 1,357,931.14 × 306,229.46
  4. Step 4: Simplify right side
    905,170.72x = 415,838,519,719.38
  5. Step 5: Solve for x
    x = 415,838,519,719.38/905,170.72
  6. Step 6: Final answer
    x = 459,403.41

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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.