Home / 769,432.48-1,061,871.76-425,261.04

Finding the Fourth Proportional to 769,432.48, 1,061,871.76 and 425,261.04

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Solution

The fourth proportional to 769,432.48, 1,061,871.76 and 425,261.04 is: 586,890.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,432.48 : 1,061,871.76 = 425,261.04 : x
  2. Step 2: Convert to fraction form
    769,432.48/1,061,871.76 = 425,261.04/x
  3. Step 3: Cross multiply
    769,432.48x = 1,061,871.76 × 425,261.04
  4. Step 4: Simplify right side
    769,432.48x = 451,572,689,004.23
  5. Step 5: Solve for x
    x = 451,572,689,004.23/769,432.48
  6. Step 6: Final answer
    x = 586,890.60

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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.