Home / 498,984.98-688,599.48-269,542.24

Finding the Fourth Proportional to 498,984.98, 688,599.48 and 269,542.24

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Solution

The fourth proportional to 498,984.98, 688,599.48 and 269,542.24 is: 371,968.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,984.98 : 688,599.48 = 269,542.24 : x
  2. Step 2: Convert to fraction form
    498,984.98/688,599.48 = 269,542.24/x
  3. Step 3: Cross multiply
    498,984.98x = 688,599.48 × 269,542.24
  4. Step 4: Simplify right side
    498,984.98x = 185,606,646,302.04
  5. Step 5: Solve for x
    x = 185,606,646,302.04/498,984.98
  6. Step 6: Final answer
    x = 371,968.40

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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.