Home / 939,854.62-1,297,000.69-510,134.84

Finding the Fourth Proportional to 939,854.62, 1,297,000.69 and 510,134.84

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Solution

The fourth proportional to 939,854.62, 1,297,000.69 and 510,134.84 is: 703,986.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,854.62 : 1,297,000.69 = 510,134.84 : x
  2. Step 2: Convert to fraction form
    939,854.62/1,297,000.69 = 510,134.84/x
  3. Step 3: Cross multiply
    939,854.62x = 1,297,000.69 × 510,134.84
  4. Step 4: Simplify right side
    939,854.62x = 661,645,239,473.04
  5. Step 5: Solve for x
    x = 661,645,239,473.04/939,854.62
  6. Step 6: Final answer
    x = 703,986.79

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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.