Home / 711,700.80-1,066,255.20-336,897.60

Finding the Fourth Proportional to 711,700.80, 1,066,255.20 and 336,897.60

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Solution

The fourth proportional to 711,700.80, 1,066,255.20 and 336,897.60 is: 504,732.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,700.80 : 1,066,255.20 = 336,897.60 : x
  2. Step 2: Convert to fraction form
    711,700.80/1,066,255.20 = 336,897.60/x
  3. Step 3: Cross multiply
    711,700.80x = 1,066,255.20 × 336,897.60
  4. Step 4: Simplify right side
    711,700.80x = 359,218,817,867.52
  5. Step 5: Solve for x
    x = 359,218,817,867.52/711,700.80
  6. Step 6: Final answer
    x = 504,732.91

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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.