Home / 787,823.33-1,182,032.81-308,393.76

Finding the Fourth Proportional to 787,823.33, 1,182,032.81 and 308,393.76

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Solution

The fourth proportional to 787,823.33, 1,182,032.81 and 308,393.76 is: 462,707.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,823.33 : 1,182,032.81 = 308,393.76 : x
  2. Step 2: Convert to fraction form
    787,823.33/1,182,032.81 = 308,393.76/x
  3. Step 3: Cross multiply
    787,823.33x = 1,182,032.81 × 308,393.76
  4. Step 4: Simplify right side
    787,823.33x = 364,531,548,501.11
  5. Step 5: Solve for x
    x = 364,531,548,501.11/787,823.33
  6. Step 6: Final answer
    x = 462,707.23

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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.