Home / 689,839.85-1,034,898.19-240,440.06

Finding the Fourth Proportional to 689,839.85, 1,034,898.19 and 240,440.06

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Solution

The fourth proportional to 689,839.85, 1,034,898.19 and 240,440.06 is: 360,708.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,839.85 : 1,034,898.19 = 240,440.06 : x
  2. Step 2: Convert to fraction form
    689,839.85/1,034,898.19 = 240,440.06/x
  3. Step 3: Cross multiply
    689,839.85x = 1,034,898.19 × 240,440.06
  4. Step 4: Simplify right side
    689,839.85x = 248,830,984,883.64
  5. Step 5: Solve for x
    x = 248,830,984,883.64/689,839.85
  6. Step 6: Final answer
    x = 360,708.34

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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.