Home / 492,132.24-679,144.50-277,275.42

Finding the Fourth Proportional to 492,132.24, 679,144.50 and 277,275.42

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Solution

The fourth proportional to 492,132.24, 679,144.50 and 277,275.42 is: 382,641.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,132.24 : 679,144.50 = 277,275.42 : x
  2. Step 2: Convert to fraction form
    492,132.24/679,144.50 = 277,275.42/x
  3. Step 3: Cross multiply
    492,132.24x = 679,144.50 × 277,275.42
  4. Step 4: Simplify right side
    492,132.24x = 188,310,076,478.19
  5. Step 5: Solve for x
    x = 188,310,076,478.19/492,132.24
  6. Step 6: Final answer
    x = 382,641.21

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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.