Home / 890,245.62-1,334,435.31-328,922.10

Finding the Fourth Proportional to 890,245.62, 1,334,435.31 and 328,922.10

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Solution

The fourth proportional to 890,245.62, 1,334,435.31 and 328,922.10 is: 493,038.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,245.62 : 1,334,435.31 = 328,922.10 : x
  2. Step 2: Convert to fraction form
    890,245.62/1,334,435.31 = 328,922.10/x
  3. Step 3: Cross multiply
    890,245.62x = 1,334,435.31 × 328,922.10
  4. Step 4: Simplify right side
    890,245.62x = 438,925,264,479.35
  5. Step 5: Solve for x
    x = 438,925,264,479.35/890,245.62
  6. Step 6: Final answer
    x = 493,038.39

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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.