Home / 787,837.12-1,182,053.44-308,407.52

Finding the Fourth Proportional to 787,837.12, 1,182,053.44 and 308,407.52

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Solution

The fourth proportional to 787,837.12, 1,182,053.44 and 308,407.52 is: 462,727.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,837.12 : 1,182,053.44 = 308,407.52 : x
  2. Step 2: Convert to fraction form
    787,837.12/1,182,053.44 = 308,407.52/x
  3. Step 3: Cross multiply
    787,837.12x = 1,182,053.44 × 308,407.52
  4. Step 4: Simplify right side
    787,837.12x = 364,554,169,937.87
  5. Step 5: Solve for x
    x = 364,554,169,937.87/787,837.12
  6. Step 6: Final answer
    x = 462,727.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.