Home / 772,776.96-1,158,940.80-299,356.80

Finding the Fourth Proportional to 772,776.96, 1,158,940.80 and 299,356.80

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Solution

The fourth proportional to 772,776.96, 1,158,940.80 and 299,356.80 is: 448,948.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,776.96 : 1,158,940.80 = 299,356.80 : x
  2. Step 2: Convert to fraction form
    772,776.96/1,158,940.80 = 299,356.80/x
  3. Step 3: Cross multiply
    772,776.96x = 1,158,940.80 × 299,356.80
  4. Step 4: Simplify right side
    772,776.96x = 346,936,809,277.44
  5. Step 5: Solve for x
    x = 346,936,809,277.44/772,776.96
  6. Step 6: Final answer
    x = 448,948.18

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1.5x scale

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.