Home / 888,382.38-1,225,963.84-480,484.61

Finding the Fourth Proportional to 888,382.38, 1,225,963.84 and 480,484.61

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Solution

The fourth proportional to 888,382.38, 1,225,963.84 and 480,484.61 is: 663,066.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,382.38 : 1,225,963.84 = 480,484.61 : x
  2. Step 2: Convert to fraction form
    888,382.38/1,225,963.84 = 480,484.61/x
  3. Step 3: Cross multiply
    888,382.38x = 1,225,963.84 × 480,484.61
  4. Step 4: Simplify right side
    888,382.38x = 589,056,749,004.26
  5. Step 5: Solve for x
    x = 589,056,749,004.26/888,382.38
  6. Step 6: Final answer
    x = 663,066.67

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1.5x scale

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.