Home / 738,690.28-1,019,331.33-416,479.57

Finding the Fourth Proportional to 738,690.28, 1,019,331.33 and 416,479.57

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Solution

The fourth proportional to 738,690.28, 1,019,331.33 and 416,479.57 is: 574,707.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,690.28 : 1,019,331.33 = 416,479.57 : x
  2. Step 2: Convert to fraction form
    738,690.28/1,019,331.33 = 416,479.57/x
  3. Step 3: Cross multiply
    738,690.28x = 1,019,331.33 × 416,479.57
  4. Step 4: Simplify right side
    738,690.28x = 424,530,674,005.93
  5. Step 5: Solve for x
    x = 424,530,674,005.93/738,690.28
  6. Step 6: Final answer
    x = 574,707.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.