Home / 776,589.83-1,071,683.75-427,723.54

Finding the Fourth Proportional to 776,589.83, 1,071,683.75 and 427,723.54

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Solution

The fourth proportional to 776,589.83, 1,071,683.75 and 427,723.54 is: 590,252.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,589.83 : 1,071,683.75 = 427,723.54 : x
  2. Step 2: Convert to fraction form
    776,589.83/1,071,683.75 = 427,723.54/x
  3. Step 3: Cross multiply
    776,589.83x = 1,071,683.75 × 427,723.54
  4. Step 4: Simplify right side
    776,589.83x = 458,384,365,700.57
  5. Step 5: Solve for x
    x = 458,384,365,700.57/776,589.83
  6. Step 6: Final answer
    x = 590,252.85

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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.