Home / 891,568.74-1,337,348.40-217,653.60

Finding the Fourth Proportional to 891,568.74, 1,337,348.40 and 217,653.60

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Solution

The fourth proportional to 891,568.74, 1,337,348.40 and 217,653.60 is: 326,479.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,568.74 : 1,337,348.40 = 217,653.60 : x
  2. Step 2: Convert to fraction form
    891,568.74/1,337,348.40 = 217,653.60/x
  3. Step 3: Cross multiply
    891,568.74x = 1,337,348.40 × 217,653.60
  4. Step 4: Simplify right side
    891,568.74x = 291,078,693,714.24
  5. Step 5: Solve for x
    x = 291,078,693,714.24/891,568.74
  6. Step 6: Final answer
    x = 326,479.25

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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.