Home / 769,270.48-1,061,540.16-425,103.16

Finding the Fourth Proportional to 769,270.48, 1,061,540.16 and 425,103.16

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Solution

The fourth proportional to 769,270.48, 1,061,540.16 and 425,103.16 is: 586,613.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,270.48 : 1,061,540.16 = 425,103.16 : x
  2. Step 2: Convert to fraction form
    769,270.48/1,061,540.16 = 425,103.16/x
  3. Step 3: Cross multiply
    769,270.48x = 1,061,540.16 × 425,103.16
  4. Step 4: Simplify right side
    769,270.48x = 451,264,076,482.91
  5. Step 5: Solve for x
    x = 451,264,076,482.91/769,270.48
  6. Step 6: Final answer
    x = 586,613.02

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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.