Home / 465,981.12-697,921.56-326,363.04

Finding the Fourth Proportional to 465,981.12, 697,921.56 and 326,363.04

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Solution

The fourth proportional to 465,981.12, 697,921.56 and 326,363.04 is: 488,809.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,981.12 : 697,921.56 = 326,363.04 : x
  2. Step 2: Convert to fraction form
    465,981.12/697,921.56 = 326,363.04/x
  3. Step 3: Cross multiply
    465,981.12x = 697,921.56 × 326,363.04
  4. Step 4: Simplify right side
    465,981.12x = 227,775,802,003.14
  5. Step 5: Solve for x
    x = 227,775,802,003.14/465,981.12
  6. Step 6: Final answer
    x = 488,809.08

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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.