Home / 711,179.53-1,066,591.72-278,984.84

Finding the Fourth Proportional to 711,179.53, 1,066,591.72 and 278,984.84

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Solution

The fourth proportional to 711,179.53, 1,066,591.72 and 278,984.84 is: 418,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,179.53 : 1,066,591.72 = 278,984.84 : x
  2. Step 2: Convert to fraction form
    711,179.53/1,066,591.72 = 278,984.84/x
  3. Step 3: Cross multiply
    711,179.53x = 1,066,591.72 × 278,984.84
  4. Step 4: Simplify right side
    711,179.53x = 297,562,920,349.53
  5. Step 5: Solve for x
    x = 297,562,920,349.53/711,179.53
  6. Step 6: Final answer
    x = 418,407.60

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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.