Home / 906,963.20-1,361,492.40-487,059.20

Finding the Fourth Proportional to 906,963.20, 1,361,492.40 and 487,059.20

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Solution

The fourth proportional to 906,963.20, 1,361,492.40 and 487,059.20 is: 731,151.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,963.20 : 1,361,492.40 = 487,059.20 : x
  2. Step 2: Convert to fraction form
    906,963.20/1,361,492.40 = 487,059.20/x
  3. Step 3: Cross multiply
    906,963.20x = 1,361,492.40 × 487,059.20
  4. Step 4: Simplify right side
    906,963.20x = 663,127,399,150.08
  5. Step 5: Solve for x
    x = 663,127,399,150.08/906,963.20
  6. Step 6: Final answer
    x = 731,151.38

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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.