Home / 774,365.80-1,161,461.58-268,833.64

Finding the Fourth Proportional to 774,365.80, 1,161,461.58 and 268,833.64

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Solution

The fourth proportional to 774,365.80, 1,161,461.58 and 268,833.64 is: 403,220.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,365.80 : 1,161,461.58 = 268,833.64 : x
  2. Step 2: Convert to fraction form
    774,365.80/1,161,461.58 = 268,833.64/x
  3. Step 3: Cross multiply
    774,365.80x = 1,161,461.58 × 268,833.64
  4. Step 4: Simplify right side
    774,365.80x = 312,239,944,271.55
  5. Step 5: Solve for x
    x = 312,239,944,271.55/774,365.80
  6. Step 6: Final answer
    x = 403,220.21

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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.