Home / 667,402.65-1,000,659.18-346,766.58

Finding the Fourth Proportional to 667,402.65, 1,000,659.18 and 346,766.58

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Solution

The fourth proportional to 667,402.65, 1,000,659.18 and 346,766.58 is: 519,918.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,402.65 : 1,000,659.18 = 346,766.58 : x
  2. Step 2: Convert to fraction form
    667,402.65/1,000,659.18 = 346,766.58/x
  3. Step 3: Cross multiply
    667,402.65x = 1,000,659.18 × 346,766.58
  4. Step 4: Simplify right side
    667,402.65x = 346,995,161,594.20
  5. Step 5: Solve for x
    x = 346,995,161,594.20/667,402.65
  6. Step 6: Final answer
    x = 519,918.77

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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.