Home / 738,627.71-1,107,919.67-306,301.55

Finding the Fourth Proportional to 738,627.71, 1,107,919.67 and 306,301.55

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Solution

The fourth proportional to 738,627.71, 1,107,919.67 and 306,301.55 is: 459,443.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,627.71 : 1,107,919.67 = 306,301.55 : x
  2. Step 2: Convert to fraction form
    738,627.71/1,107,919.67 = 306,301.55/x
  3. Step 3: Cross multiply
    738,627.71x = 1,107,919.67 × 306,301.55
  4. Step 4: Simplify right side
    738,627.71x = 339,357,505,125.38
  5. Step 5: Solve for x
    x = 339,357,505,125.38/738,627.71
  6. Step 6: Final answer
    x = 459,443.24

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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.