Home / 898,639.44-1,348,148.55-291,380.42

Finding the Fourth Proportional to 898,639.44, 1,348,148.55 and 291,380.42

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Solution

The fourth proportional to 898,639.44, 1,348,148.55 and 291,380.42 is: 437,132.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,639.44 : 1,348,148.55 = 291,380.42 : x
  2. Step 2: Convert to fraction form
    898,639.44/1,348,148.55 = 291,380.42/x
  3. Step 3: Cross multiply
    898,639.44x = 1,348,148.55 × 291,380.42
  4. Step 4: Simplify right side
    898,639.44x = 392,824,083,980.65
  5. Step 5: Solve for x
    x = 392,824,083,980.65/898,639.44
  6. Step 6: Final answer
    x = 437,132.03

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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.