Home / 497,240.97-686,012.61-325,257.03

Finding the Fourth Proportional to 497,240.97, 686,012.61 and 325,257.03

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Solution

The fourth proportional to 497,240.97, 686,012.61 and 325,257.03 is: 448,737.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,240.97 : 686,012.61 = 325,257.03 : x
  2. Step 2: Convert to fraction form
    497,240.97/686,012.61 = 325,257.03/x
  3. Step 3: Cross multiply
    497,240.97x = 686,012.61 × 325,257.03
  4. Step 4: Simplify right side
    497,240.97x = 223,130,424,071.15
  5. Step 5: Solve for x
    x = 223,130,424,071.15/497,240.97
  6. Step 6: Final answer
    x = 448,737.01

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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.