Home / 680,044.58-1,019,226.07-343,181.58

Finding the Fourth Proportional to 680,044.58, 1,019,226.07 and 343,181.58

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Solution

The fourth proportional to 680,044.58, 1,019,226.07 and 343,181.58 is: 514,348.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,044.58 : 1,019,226.07 = 343,181.58 : x
  2. Step 2: Convert to fraction form
    680,044.58/1,019,226.07 = 343,181.58/x
  3. Step 3: Cross multiply
    680,044.58x = 1,019,226.07 × 343,181.58
  4. Step 4: Simplify right side
    680,044.58x = 349,779,609,686.67
  5. Step 5: Solve for x
    x = 349,779,609,686.67/680,044.58
  6. Step 6: Final answer
    x = 514,348.06

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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.