Home / 710,812.68-1,066,405.97-255,449.91

Finding the Fourth Proportional to 710,812.68, 1,066,405.97 and 255,449.91

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Solution

The fourth proportional to 710,812.68, 1,066,405.97 and 255,449.91 is: 383,242.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,812.68 : 1,066,405.97 = 255,449.91 : x
  2. Step 2: Convert to fraction form
    710,812.68/1,066,405.97 = 255,449.91/x
  3. Step 3: Cross multiply
    710,812.68x = 1,066,405.97 × 255,449.91
  4. Step 4: Simplify right side
    710,812.68x = 272,413,309,059.96
  5. Step 5: Solve for x
    x = 272,413,309,059.96/710,812.68
  6. Step 6: Final answer
    x = 383,242.05

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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.