Home / 774,554.40-1,161,481.68-275,931.36

Finding the Fourth Proportional to 774,554.40, 1,161,481.68 and 275,931.36

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Solution

The fourth proportional to 774,554.40, 1,161,481.68 and 275,931.36 is: 413,772.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,554.40 : 1,161,481.68 = 275,931.36 : x
  2. Step 2: Convert to fraction form
    774,554.40/1,161,481.68 = 275,931.36/x
  3. Step 3: Cross multiply
    774,554.40x = 1,161,481.68 × 275,931.36
  4. Step 4: Simplify right side
    774,554.40x = 320,489,219,577.49
  5. Step 5: Solve for x
    x = 320,489,219,577.49/774,554.40
  6. Step 6: Final answer
    x = 413,772.38

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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.