Home / 636,618.04-878,528.30-350,131.98

Finding the Fourth Proportional to 636,618.04, 878,528.30 and 350,131.98

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Solution

The fourth proportional to 636,618.04, 878,528.30 and 350,131.98 is: 483,179.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,618.04 : 878,528.30 = 350,131.98 : x
  2. Step 2: Convert to fraction form
    636,618.04/878,528.30 = 350,131.98/x
  3. Step 3: Cross multiply
    636,618.04x = 878,528.30 × 350,131.98
  4. Step 4: Simplify right side
    636,618.04x = 307,600,853,165.03
  5. Step 5: Solve for x
    x = 307,600,853,165.03/636,618.04
  6. Step 6: Final answer
    x = 483,179.61

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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.