Home / 941,869.68-1,300,064.76-640,238.64

Finding the Fourth Proportional to 941,869.68, 1,300,064.76 and 640,238.64

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Solution

The fourth proportional to 941,869.68, 1,300,064.76 and 640,238.64 is: 883,722.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,869.68 : 1,300,064.76 = 640,238.64 : x
  2. Step 2: Convert to fraction form
    941,869.68/1,300,064.76 = 640,238.64/x
  3. Step 3: Cross multiply
    941,869.68x = 1,300,064.76 × 640,238.64
  4. Step 4: Simplify right side
    941,869.68x = 832,351,693,854.33
  5. Step 5: Solve for x
    x = 832,351,693,854.33/941,869.68
  6. Step 6: Final answer
    x = 883,722.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.