Home / 691,946.26-1,036,529.89-344,683.81

Finding the Fourth Proportional to 691,946.26, 1,036,529.89 and 344,683.81

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Solution

The fourth proportional to 691,946.26, 1,036,529.89 and 344,683.81 is: 516,333.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,946.26 : 1,036,529.89 = 344,683.81 : x
  2. Step 2: Convert to fraction form
    691,946.26/1,036,529.89 = 344,683.81/x
  3. Step 3: Cross multiply
    691,946.26x = 1,036,529.89 × 344,683.81
  4. Step 4: Simplify right side
    691,946.26x = 357,275,069,940.66
  5. Step 5: Solve for x
    x = 357,275,069,940.66/691,946.26
  6. Step 6: Final answer
    x = 516,333.56

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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.