Home / 498,968.10-688,576.25-269,525.38

Finding the Fourth Proportional to 498,968.10, 688,576.25 and 269,525.38

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Solution

The fourth proportional to 498,968.10, 688,576.25 and 269,525.38 is: 371,945.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,968.10 : 688,576.25 = 269,525.38 : x
  2. Step 2: Convert to fraction form
    498,968.10/688,576.25 = 269,525.38/x
  3. Step 3: Cross multiply
    498,968.10x = 688,576.25 × 269,525.38
  4. Step 4: Simplify right side
    498,968.10x = 185,588,776,862.26
  5. Step 5: Solve for x
    x = 185,588,776,862.26/498,968.10
  6. Step 6: Final answer
    x = 371,945.17

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1.5x scale

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.