Home / 888,999.40-1,332,332.70-356,084.20

Finding the Fourth Proportional to 888,999.40, 1,332,332.70 and 356,084.20

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Solution

The fourth proportional to 888,999.40, 1,332,332.70 and 356,084.20 is: 533,659.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,999.40 : 1,332,332.70 = 356,084.20 : x
  2. Step 2: Convert to fraction form
    888,999.40/1,332,332.70 = 356,084.20/x
  3. Step 3: Cross multiply
    888,999.40x = 1,332,332.70 × 356,084.20
  4. Step 4: Simplify right side
    888,999.40x = 474,422,623,613.34
  5. Step 5: Solve for x
    x = 474,422,623,613.34/888,999.40
  6. Step 6: Final answer
    x = 533,659.10

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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.