Home / 502,688.43-693,726.93-295,919.53

Finding the Fourth Proportional to 502,688.43, 693,726.93 and 295,919.53

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Solution

The fourth proportional to 502,688.43, 693,726.93 and 295,919.53 is: 408,378.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,688.43 : 693,726.93 = 295,919.53 : x
  2. Step 2: Convert to fraction form
    502,688.43/693,726.93 = 295,919.53/x
  3. Step 3: Cross multiply
    502,688.43x = 693,726.93 × 295,919.53
  4. Step 4: Simplify right side
    502,688.43x = 205,287,345,339.63
  5. Step 5: Solve for x
    x = 205,287,345,339.63/502,688.43
  6. Step 6: Final answer
    x = 408,378.89

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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.