Home / 679,937.40-1,019,906.10-559,668.60

Finding the Fourth Proportional to 679,937.40, 1,019,906.10 and 559,668.60

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Solution

The fourth proportional to 679,937.40, 1,019,906.10 and 559,668.60 is: 839,502.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,937.40 : 1,019,906.10 = 559,668.60 : x
  2. Step 2: Convert to fraction form
    679,937.40/1,019,906.10 = 559,668.60/x
  3. Step 3: Cross multiply
    679,937.40x = 1,019,906.10 × 559,668.60
  4. Step 4: Simplify right side
    679,937.40x = 570,809,419,118.46
  5. Step 5: Solve for x
    x = 570,809,419,118.46/679,937.40
  6. Step 6: Final answer
    x = 839,502.90

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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.