Home / 769,326.93-1,061,615.57-425,158.74

Finding the Fourth Proportional to 769,326.93, 1,061,615.57 and 425,158.74

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Solution

The fourth proportional to 769,326.93, 1,061,615.57 and 425,158.74 is: 586,688.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,326.93 : 1,061,615.57 = 425,158.74 : x
  2. Step 2: Convert to fraction form
    769,326.93/1,061,615.57 = 425,158.74/x
  3. Step 3: Cross multiply
    769,326.93x = 1,061,615.57 × 425,158.74
  4. Step 4: Simplify right side
    769,326.93x = 451,355,135,979.79
  5. Step 5: Solve for x
    x = 451,355,135,979.79/769,326.93
  6. Step 6: Final answer
    x = 586,688.34

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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.