Home / 788,221.80-1,086,607.62-561,473.64

Finding the Fourth Proportional to 788,221.80, 1,086,607.62 and 561,473.64

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Solution

The fourth proportional to 788,221.80, 1,086,607.62 and 561,473.64 is: 774,022.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,221.80 : 1,086,607.62 = 561,473.64 : x
  2. Step 2: Convert to fraction form
    788,221.80/1,086,607.62 = 561,473.64/x
  3. Step 3: Cross multiply
    788,221.80x = 1,086,607.62 × 561,473.64
  4. Step 4: Simplify right side
    788,221.80x = 610,101,535,653.14
  5. Step 5: Solve for x
    x = 610,101,535,653.14/788,221.80
  6. Step 6: Final answer
    x = 774,022.66

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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.