Home / 554,071.77-827,101.05-486,811.26

Finding the Fourth Proportional to 554,071.77, 827,101.05 and 486,811.26

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Solution

The fourth proportional to 554,071.77, 827,101.05 and 486,811.26 is: 726,696.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,071.77 : 827,101.05 = 486,811.26 : x
  2. Step 2: Convert to fraction form
    554,071.77/827,101.05 = 486,811.26/x
  3. Step 3: Cross multiply
    554,071.77x = 827,101.05 × 486,811.26
  4. Step 4: Simplify right side
    554,071.77x = 402,642,104,297.82
  5. Step 5: Solve for x
    x = 402,642,104,297.82/554,071.77
  6. Step 6: Final answer
    x = 726,696.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.