Home / 498,974.04-688,584.06-269,531.28

Finding the Fourth Proportional to 498,974.04, 688,584.06 and 269,531.28

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Solution

The fourth proportional to 498,974.04, 688,584.06 and 269,531.28 is: 371,953.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,974.04 : 688,584.06 = 269,531.28 : x
  2. Step 2: Convert to fraction form
    498,974.04/688,584.06 = 269,531.28/x
  3. Step 3: Cross multiply
    498,974.04x = 688,584.06 × 269,531.28
  4. Step 4: Simplify right side
    498,974.04x = 185,594,943,079.40
  5. Step 5: Solve for x
    x = 185,594,943,079.40/498,974.04
  6. Step 6: Final answer
    x = 371,953.10

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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.