Home / 502,926.32-694,017.18-285,149.64

Finding the Fourth Proportional to 502,926.32, 694,017.18 and 285,149.64

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Solution

The fourth proportional to 502,926.32, 694,017.18 and 285,149.64 is: 393,494.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,926.32 : 694,017.18 = 285,149.64 : x
  2. Step 2: Convert to fraction form
    502,926.32/694,017.18 = 285,149.64/x
  3. Step 3: Cross multiply
    502,926.32x = 694,017.18 × 285,149.64
  4. Step 4: Simplify right side
    502,926.32x = 197,898,749,030.82
  5. Step 5: Solve for x
    x = 197,898,749,030.82/502,926.32
  6. Step 6: Final answer
    x = 393,494.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.