Home / 890,243.62-1,334,432.31-328,920.10

Finding the Fourth Proportional to 890,243.62, 1,334,432.31 and 328,920.10

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Solution

The fourth proportional to 890,243.62, 1,334,432.31 and 328,920.10 is: 493,035.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,243.62 : 1,334,432.31 = 328,920.10 : x
  2. Step 2: Convert to fraction form
    890,243.62/1,334,432.31 = 328,920.10/x
  3. Step 3: Cross multiply
    890,243.62x = 1,334,432.31 × 328,920.10
  4. Step 4: Simplify right side
    890,243.62x = 438,921,608,848.43
  5. Step 5: Solve for x
    x = 438,921,608,848.43/890,243.62
  6. Step 6: Final answer
    x = 493,035.39

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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.