Home / 646,226.55-966,639.84-454,087.51

Finding the Fourth Proportional to 646,226.55, 966,639.84 and 454,087.51

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Solution

The fourth proportional to 646,226.55, 966,639.84 and 454,087.51 is: 679,234.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,226.55 : 966,639.84 = 454,087.51 : x
  2. Step 2: Convert to fraction form
    646,226.55/966,639.84 = 454,087.51/x
  3. Step 3: Cross multiply
    646,226.55x = 966,639.84 × 454,087.51
  4. Step 4: Simplify right side
    646,226.55x = 438,939,077,517.87
  5. Step 5: Solve for x
    x = 438,939,077,517.87/646,226.55
  6. Step 6: Final answer
    x = 679,234.06

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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.