Home / 782,862.81-1,173,924.31-303,315.27

Finding the Fourth Proportional to 782,862.81, 1,173,924.31 and 303,315.27

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Solution

The fourth proportional to 782,862.81, 1,173,924.31 and 303,315.27 is: 454,829.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,862.81 : 1,173,924.31 = 303,315.27 : x
  2. Step 2: Convert to fraction form
    782,862.81/1,173,924.31 = 303,315.27/x
  3. Step 3: Cross multiply
    782,862.81x = 1,173,924.31 × 303,315.27
  4. Step 4: Simplify right side
    782,862.81x = 356,069,161,661.02
  5. Step 5: Solve for x
    x = 356,069,161,661.02/782,862.81
  6. Step 6: Final answer
    x = 454,829.58

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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.