Home / 689,997.52-1,034,668.56-240,663.84

Finding the Fourth Proportional to 689,997.52, 1,034,668.56 and 240,663.84

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Solution

The fourth proportional to 689,997.52, 1,034,668.56 and 240,663.84 is: 360,881.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,997.52 : 1,034,668.56 = 240,663.84 : x
  2. Step 2: Convert to fraction form
    689,997.52/1,034,668.56 = 240,663.84/x
  3. Step 3: Cross multiply
    689,997.52x = 1,034,668.56 × 240,663.84
  4. Step 4: Simplify right side
    689,997.52x = 249,007,308,776.87
  5. Step 5: Solve for x
    x = 249,007,308,776.87/689,997.52
  6. Step 6: Final answer
    x = 360,881.45

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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.