Home / 769,432.49-1,061,871.80-425,261.01

Finding the Fourth Proportional to 769,432.49, 1,061,871.80 and 425,261.01

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Solution

The fourth proportional to 769,432.49, 1,061,871.80 and 425,261.01 is: 586,890.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,432.49 : 1,061,871.80 = 425,261.01 : x
  2. Step 2: Convert to fraction form
    769,432.49/1,061,871.80 = 425,261.01/x
  3. Step 3: Cross multiply
    769,432.49x = 1,061,871.80 × 425,261.01
  4. Step 4: Simplify right side
    769,432.49x = 451,572,674,158.52
  5. Step 5: Solve for x
    x = 451,572,674,158.52/769,432.49
  6. Step 6: Final answer
    x = 586,890.57

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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.