Home / 689,908.30-1,035,034.66-240,635.62

Finding the Fourth Proportional to 689,908.30, 1,035,034.66 and 240,635.62

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Solution

The fourth proportional to 689,908.30, 1,035,034.66 and 240,635.62 is: 361,013.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,908.30 : 1,035,034.66 = 240,635.62 : x
  2. Step 2: Convert to fraction form
    689,908.30/1,035,034.66 = 240,635.62/x
  3. Step 3: Cross multiply
    689,908.30x = 1,035,034.66 × 240,635.62
  4. Step 4: Simplify right side
    689,908.30x = 249,066,207,130.59
  5. Step 5: Solve for x
    x = 249,066,207,130.59/689,908.30
  6. Step 6: Final answer
    x = 361,013.50

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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.