Home / 854,442.68-1,281,788.40-314,957.16

Finding the Fourth Proportional to 854,442.68, 1,281,788.40 and 314,957.16

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Solution

The fourth proportional to 854,442.68, 1,281,788.40 and 314,957.16 is: 472,481.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,442.68 : 1,281,788.40 = 314,957.16 : x
  2. Step 2: Convert to fraction form
    854,442.68/1,281,788.40 = 314,957.16/x
  3. Step 3: Cross multiply
    854,442.68x = 1,281,788.40 × 314,957.16
  4. Step 4: Simplify right side
    854,442.68x = 403,708,433,594.40
  5. Step 5: Solve for x
    x = 403,708,433,594.40/854,442.68
  6. Step 6: Final answer
    x = 472,481.59

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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.