Home / 774,167.12-1,161,323.76-300,888.80

Finding the Fourth Proportional to 774,167.12, 1,161,323.76 and 300,888.80

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Solution

The fourth proportional to 774,167.12, 1,161,323.76 and 300,888.80 is: 451,361.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,167.12 : 1,161,323.76 = 300,888.80 : x
  2. Step 2: Convert to fraction form
    774,167.12/1,161,323.76 = 300,888.80/x
  3. Step 3: Cross multiply
    774,167.12x = 1,161,323.76 × 300,888.80
  4. Step 4: Simplify right side
    774,167.12x = 349,429,312,557.89
  5. Step 5: Solve for x
    x = 349,429,312,557.89/774,167.12
  6. Step 6: Final answer
    x = 451,361.60

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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.