Home / 914,313.73-1,371,560.80-315,196.01

Finding the Fourth Proportional to 914,313.73, 1,371,560.80 and 315,196.01

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Solution

The fourth proportional to 914,313.73, 1,371,560.80 and 315,196.01 is: 472,825.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,313.73 : 1,371,560.80 = 315,196.01 : x
  2. Step 2: Convert to fraction form
    914,313.73/1,371,560.80 = 315,196.01/x
  3. Step 3: Cross multiply
    914,313.73x = 1,371,560.80 × 315,196.01
  4. Step 4: Simplify right side
    914,313.73x = 432,310,491,632.41
  5. Step 5: Solve for x
    x = 432,310,491,632.41/914,313.73
  6. Step 6: Final answer
    x = 472,825.11

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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.