Home / 720,849.56-1,081,590.84-342,044.15

Finding the Fourth Proportional to 720,849.56, 1,081,590.84 and 342,044.15

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Solution

The fourth proportional to 720,849.56, 1,081,590.84 and 342,044.15 is: 513,216.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,849.56 : 1,081,590.84 = 342,044.15 : x
  2. Step 2: Convert to fraction form
    720,849.56/1,081,590.84 = 342,044.15/x
  3. Step 3: Cross multiply
    720,849.56x = 1,081,590.84 × 342,044.15
  4. Step 4: Simplify right side
    720,849.56x = 369,951,814,107.63
  5. Step 5: Solve for x
    x = 369,951,814,107.63/720,849.56
  6. Step 6: Final answer
    x = 513,216.40

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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.