Home / 906,388.65-1,250,836.35-498,511.16

Finding the Fourth Proportional to 906,388.65, 1,250,836.35 and 498,511.16

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Solution

The fourth proportional to 906,388.65, 1,250,836.35 and 498,511.16 is: 687,956.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,388.65 : 1,250,836.35 = 498,511.16 : x
  2. Step 2: Convert to fraction form
    906,388.65/1,250,836.35 = 498,511.16/x
  3. Step 3: Cross multiply
    906,388.65x = 1,250,836.35 × 498,511.16
  4. Step 4: Simplify right side
    906,388.65x = 623,555,873,554.48
  5. Step 5: Solve for x
    x = 623,555,873,554.48/906,388.65
  6. Step 6: Final answer
    x = 687,956.40

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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.