Home / 790,973.27-1,091,561.79-451,473.11

Finding the Fourth Proportional to 790,973.27, 1,091,561.79 and 451,473.11

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Solution

The fourth proportional to 790,973.27, 1,091,561.79 and 451,473.11 is: 623,043.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,973.27 : 1,091,561.79 = 451,473.11 : x
  2. Step 2: Convert to fraction form
    790,973.27/1,091,561.79 = 451,473.11/x
  3. Step 3: Cross multiply
    790,973.27x = 1,091,561.79 × 451,473.11
  4. Step 4: Simplify right side
    790,973.27x = 492,810,796,088.47
  5. Step 5: Solve for x
    x = 492,810,796,088.47/790,973.27
  6. Step 6: Final answer
    x = 623,043.55

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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.