Home / 763,065.28-1,144,333.52-383,839.44

Finding the Fourth Proportional to 763,065.28, 1,144,333.52 and 383,839.44

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Solution

The fourth proportional to 763,065.28, 1,144,333.52 and 383,839.44 is: 575,626.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,065.28 : 1,144,333.52 = 383,839.44 : x
  2. Step 2: Convert to fraction form
    763,065.28/1,144,333.52 = 383,839.44/x
  3. Step 3: Cross multiply
    763,065.28x = 1,144,333.52 × 383,839.44
  4. Step 4: Simplify right side
    763,065.28x = 439,240,337,490.03
  5. Step 5: Solve for x
    x = 439,240,337,490.03/763,065.28
  6. Step 6: Final answer
    x = 575,626.16

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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.