Home / 884,987.28-1,221,280.20-482,579.28

Finding the Fourth Proportional to 884,987.28, 1,221,280.20 and 482,579.28

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Solution

The fourth proportional to 884,987.28, 1,221,280.20 and 482,579.28 is: 665,958.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,987.28 : 1,221,280.20 = 482,579.28 : x
  2. Step 2: Convert to fraction form
    884,987.28/1,221,280.20 = 482,579.28/x
  3. Step 3: Cross multiply
    884,987.28x = 1,221,280.20 × 482,579.28
  4. Step 4: Simplify right side
    884,987.28x = 589,364,519,594.26
  5. Step 5: Solve for x
    x = 589,364,519,594.26/884,987.28
  6. Step 6: Final answer
    x = 665,958.18

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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.