Home / 970,686.69-1,456,103.75-330,791.55

Finding the Fourth Proportional to 970,686.69, 1,456,103.75 and 330,791.55

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Solution

The fourth proportional to 970,686.69, 1,456,103.75 and 330,791.55 is: 496,212.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,686.69 : 1,456,103.75 = 330,791.55 : x
  2. Step 2: Convert to fraction form
    970,686.69/1,456,103.75 = 330,791.55/x
  3. Step 3: Cross multiply
    970,686.69x = 1,456,103.75 × 330,791.55
  4. Step 4: Simplify right side
    970,686.69x = 481,666,816,423.31
  5. Step 5: Solve for x
    x = 481,666,816,423.31/970,686.69
  6. Step 6: Final answer
    x = 496,212.45

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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.