Home / 814,584.81-1,221,988.38-473,188.65

Finding the Fourth Proportional to 814,584.81, 1,221,988.38 and 473,188.65

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Solution

The fourth proportional to 814,584.81, 1,221,988.38 and 473,188.65 is: 709,847.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,584.81 : 1,221,988.38 = 473,188.65 : x
  2. Step 2: Convert to fraction form
    814,584.81/1,221,988.38 = 473,188.65/x
  3. Step 3: Cross multiply
    814,584.81x = 1,221,988.38 × 473,188.65
  4. Step 4: Simplify right side
    814,584.81x = 578,231,031,847.89
  5. Step 5: Solve for x
    x = 578,231,031,847.89/814,584.81
  6. Step 6: Final answer
    x = 709,847.55

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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.