Home / 974,732.09-1,345,040.01-539,140.06

Finding the Fourth Proportional to 974,732.09, 1,345,040.01 and 539,140.06

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Solution

The fourth proportional to 974,732.09, 1,345,040.01 and 539,140.06 is: 743,963.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,732.09 : 1,345,040.01 = 539,140.06 : x
  2. Step 2: Convert to fraction form
    974,732.09/1,345,040.01 = 539,140.06/x
  3. Step 3: Cross multiply
    974,732.09x = 1,345,040.01 × 539,140.06
  4. Step 4: Simplify right side
    974,732.09x = 725,164,942,272.90
  5. Step 5: Solve for x
    x = 725,164,942,272.90/974,732.09
  6. Step 6: Final answer
    x = 743,963.34

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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.