Home / 726,904.98-1,003,106.54-404,606.80

Finding the Fourth Proportional to 726,904.98, 1,003,106.54 and 404,606.80

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Solution

The fourth proportional to 726,904.98, 1,003,106.54 and 404,606.80 is: 558,344.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,904.98 : 1,003,106.54 = 404,606.80 : x
  2. Step 2: Convert to fraction form
    726,904.98/1,003,106.54 = 404,606.80/x
  3. Step 3: Cross multiply
    726,904.98x = 1,003,106.54 × 404,606.80
  4. Step 4: Simplify right side
    726,904.98x = 405,863,727,208.47
  5. Step 5: Solve for x
    x = 405,863,727,208.47/726,904.98
  6. Step 6: Final answer
    x = 558,344.95

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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.