Home / 906,488.31-1,250,954.50-498,621.18

Finding the Fourth Proportional to 906,488.31, 1,250,954.50 and 498,621.18

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Solution

The fourth proportional to 906,488.31, 1,250,954.50 and 498,621.18 is: 688,097.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,488.31 : 1,250,954.50 = 498,621.18 : x
  2. Step 2: Convert to fraction form
    906,488.31/1,250,954.50 = 498,621.18/x
  3. Step 3: Cross multiply
    906,488.31x = 1,250,954.50 × 498,621.18
  4. Step 4: Simplify right side
    906,488.31x = 623,752,407,035.48
  5. Step 5: Solve for x
    x = 623,752,407,035.48/906,488.31
  6. Step 6: Final answer
    x = 688,097.58

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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.