Home / 502,965.66-695,920.32-438,569.18

Finding the Fourth Proportional to 502,965.66, 695,920.32 and 438,569.18

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Solution

The fourth proportional to 502,965.66, 695,920.32 and 438,569.18 is: 606,819.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,965.66 : 695,920.32 = 438,569.18 : x
  2. Step 2: Convert to fraction form
    502,965.66/695,920.32 = 438,569.18/x
  3. Step 3: Cross multiply
    502,965.66x = 695,920.32 × 438,569.18
  4. Step 4: Simplify right side
    502,965.66x = 305,209,204,731.12
  5. Step 5: Solve for x
    x = 305,209,204,731.12/502,965.66
  6. Step 6: Final answer
    x = 606,819.17

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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.