Home / 769,732.10-1,062,282.30-447,441.20

Finding the Fourth Proportional to 769,732.10, 1,062,282.30 and 447,441.20

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Solution

The fourth proportional to 769,732.10, 1,062,282.30 and 447,441.20 is: 617,499.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,732.10 : 1,062,282.30 = 447,441.20 : x
  2. Step 2: Convert to fraction form
    769,732.10/1,062,282.30 = 447,441.20/x
  3. Step 3: Cross multiply
    769,732.10x = 1,062,282.30 × 447,441.20
  4. Step 4: Simplify right side
    769,732.10x = 475,308,867,050.76
  5. Step 5: Solve for x
    x = 475,308,867,050.76/769,732.10
  6. Step 6: Final answer
    x = 617,499.08

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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.