Home / 726,891.84-1,003,015.80-404,615.52

Finding the Fourth Proportional to 726,891.84, 1,003,015.80 and 404,615.52

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Solution

The fourth proportional to 726,891.84, 1,003,015.80 and 404,615.52 is: 558,316.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,891.84 : 1,003,015.80 = 404,615.52 : x
  2. Step 2: Convert to fraction form
    726,891.84/1,003,015.80 = 404,615.52/x
  3. Step 3: Cross multiply
    726,891.84x = 1,003,015.80 × 404,615.52
  4. Step 4: Simplify right side
    726,891.84x = 405,835,759,485.22
  5. Step 5: Solve for x
    x = 405,835,759,485.22/726,891.84
  6. Step 6: Final answer
    x = 558,316.57

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1.5x scale

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.