Home / 888,251.32-1,225,905.42-501,146.20

Finding the Fourth Proportional to 888,251.32, 1,225,905.42 and 501,146.20

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Solution

The fourth proportional to 888,251.32, 1,225,905.42 and 501,146.20 is: 691,648.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,251.32 : 1,225,905.42 = 501,146.20 : x
  2. Step 2: Convert to fraction form
    888,251.32/1,225,905.42 = 501,146.20/x
  3. Step 3: Cross multiply
    888,251.32x = 1,225,905.42 × 501,146.20
  4. Step 4: Simplify right side
    888,251.32x = 614,357,842,792.40
  5. Step 5: Solve for x
    x = 614,357,842,792.40/888,251.32
  6. Step 6: Final answer
    x = 691,648.67

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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.