Home / 762,148.31-1,143,851.39-383,176.74

Finding the Fourth Proportional to 762,148.31, 1,143,851.39 and 383,176.74

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Solution

The fourth proportional to 762,148.31, 1,143,851.39 and 383,176.74 is: 575,081.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,148.31 : 1,143,851.39 = 383,176.74 : x
  2. Step 2: Convert to fraction form
    762,148.31/1,143,851.39 = 383,176.74/x
  3. Step 3: Cross multiply
    762,148.31x = 1,143,851.39 × 383,176.74
  4. Step 4: Simplify right side
    762,148.31x = 438,297,250,475.14
  5. Step 5: Solve for x
    x = 438,297,250,475.14/762,148.31
  6. Step 6: Final answer
    x = 575,081.32

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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.