Home / 508,747.52-701,929.32-317,954.72

Finding the Fourth Proportional to 508,747.52, 701,929.32 and 317,954.72

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Solution

The fourth proportional to 508,747.52, 701,929.32 and 317,954.72 is: 438,688.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,747.52 : 701,929.32 = 317,954.72 : x
  2. Step 2: Convert to fraction form
    508,747.52/701,929.32 = 317,954.72/x
  3. Step 3: Cross multiply
    508,747.52x = 701,929.32 × 317,954.72
  4. Step 4: Simplify right side
    508,747.52x = 223,181,740,400.39
  5. Step 5: Solve for x
    x = 223,181,740,400.39/508,747.52
  6. Step 6: Final answer
    x = 438,688.61

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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.