Home / 710,234.46-1,065,361.41-396,686.70

Finding the Fourth Proportional to 710,234.46, 1,065,361.41 and 396,686.70

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Solution

The fourth proportional to 710,234.46, 1,065,361.41 and 396,686.70 is: 595,035.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,234.46 : 1,065,361.41 = 396,686.70 : x
  2. Step 2: Convert to fraction form
    710,234.46/1,065,361.41 = 396,686.70/x
  3. Step 3: Cross multiply
    710,234.46x = 1,065,361.41 × 396,686.70
  4. Step 4: Simplify right side
    710,234.46x = 422,614,702,040.25
  5. Step 5: Solve for x
    x = 422,614,702,040.25/710,234.46
  6. Step 6: Final answer
    x = 595,035.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.