Home / 763,069.28-1,144,339.52-383,843.44

Finding the Fourth Proportional to 763,069.28, 1,144,339.52 and 383,843.44

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Solution

The fourth proportional to 763,069.28, 1,144,339.52 and 383,843.44 is: 575,632.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,069.28 : 1,144,339.52 = 383,843.44 : x
  2. Step 2: Convert to fraction form
    763,069.28/1,144,339.52 = 383,843.44/x
  3. Step 3: Cross multiply
    763,069.28x = 1,144,339.52 × 383,843.44
  4. Step 4: Simplify right side
    763,069.28x = 439,247,217,884.75
  5. Step 5: Solve for x
    x = 439,247,217,884.75/763,069.28
  6. Step 6: Final answer
    x = 575,632.16

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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.