Home / 868,293.65-1,303,633.48-442,115.79

Finding the Fourth Proportional to 868,293.65, 1,303,633.48 and 442,115.79

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Solution

The fourth proportional to 868,293.65, 1,303,633.48 and 442,115.79 is: 663,781.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,293.65 : 1,303,633.48 = 442,115.79 : x
  2. Step 2: Convert to fraction form
    868,293.65/1,303,633.48 = 442,115.79/x
  3. Step 3: Cross multiply
    868,293.65x = 1,303,633.48 × 442,115.79
  4. Step 4: Simplify right side
    868,293.65x = 576,356,945,880.65
  5. Step 5: Solve for x
    x = 576,356,945,880.65/868,293.65
  6. Step 6: Final answer
    x = 663,781.14

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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.