Home / 960,660.87-1,441,489.75-428,058.02

Finding the Fourth Proportional to 960,660.87, 1,441,489.75 and 428,058.02

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Solution

The fourth proportional to 960,660.87, 1,441,489.75 and 428,058.02 is: 642,309.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,660.87 : 1,441,489.75 = 428,058.02 : x
  2. Step 2: Convert to fraction form
    960,660.87/1,441,489.75 = 428,058.02/x
  3. Step 3: Cross multiply
    960,660.87x = 1,441,489.75 × 428,058.02
  4. Step 4: Simplify right side
    960,660.87x = 617,041,248,235.30
  5. Step 5: Solve for x
    x = 617,041,248,235.30/960,660.87
  6. Step 6: Final answer
    x = 642,309.13

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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.