Home / 711,228.57-1,066,843.80-290,504.58

Finding the Fourth Proportional to 711,228.57, 1,066,843.80 and 290,504.58

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Solution

The fourth proportional to 711,228.57, 1,066,843.80 and 290,504.58 is: 435,757.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,228.57 : 1,066,843.80 = 290,504.58 : x
  2. Step 2: Convert to fraction form
    711,228.57/1,066,843.80 = 290,504.58/x
  3. Step 3: Cross multiply
    711,228.57x = 1,066,843.80 × 290,504.58
  4. Step 4: Simplify right side
    711,228.57x = 309,923,010,044.60
  5. Step 5: Solve for x
    x = 309,923,010,044.60/711,228.57
  6. Step 6: Final answer
    x = 435,757.26

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1.5x scale

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.