Home / 717,577.40-1,075,992.36-267,928.48

Finding the Fourth Proportional to 717,577.40, 1,075,992.36 and 267,928.48

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Solution

The fourth proportional to 717,577.40, 1,075,992.36 and 267,928.48 is: 401,753.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,577.40 : 1,075,992.36 = 267,928.48 : x
  2. Step 2: Convert to fraction form
    717,577.40/1,075,992.36 = 267,928.48/x
  3. Step 3: Cross multiply
    717,577.40x = 1,075,992.36 × 267,928.48
  4. Step 4: Simplify right side
    717,577.40x = 288,288,997,506.41
  5. Step 5: Solve for x
    x = 288,288,997,506.41/717,577.40
  6. Step 6: Final answer
    x = 401,753.17

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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.