Home / 799,904.81-1,200,159.41-480,279.55

Finding the Fourth Proportional to 799,904.81, 1,200,159.41 and 480,279.55

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Solution

The fourth proportional to 799,904.81, 1,200,159.41 and 480,279.55 is: 720,600.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,904.81 : 1,200,159.41 = 480,279.55 : x
  2. Step 2: Convert to fraction form
    799,904.81/1,200,159.41 = 480,279.55/x
  3. Step 3: Cross multiply
    799,904.81x = 1,200,159.41 × 480,279.55
  4. Step 4: Simplify right side
    799,904.81x = 576,412,012,960.87
  5. Step 5: Solve for x
    x = 576,412,012,960.87/799,904.81
  6. Step 6: Final answer
    x = 720,600.76

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1.5x scale

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.