Home / 890,961.40-1,334,627.70-552,964.60

Finding the Fourth Proportional to 890,961.40, 1,334,627.70 and 552,964.60

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Solution

The fourth proportional to 890,961.40, 1,334,627.70 and 552,964.60 is: 828,320.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,961.40 : 1,334,627.70 = 552,964.60 : x
  2. Step 2: Convert to fraction form
    890,961.40/1,334,627.70 = 552,964.60/x
  3. Step 3: Cross multiply
    890,961.40x = 1,334,627.70 × 552,964.60
  4. Step 4: Simplify right side
    890,961.40x = 738,001,872,279.42
  5. Step 5: Solve for x
    x = 738,001,872,279.42/890,961.40
  6. Step 6: Final answer
    x = 828,320.81

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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.