Home / 717,440.16-1,075,786.56-267,791.28

Finding the Fourth Proportional to 717,440.16, 1,075,786.56 and 267,791.28

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Solution

The fourth proportional to 717,440.16, 1,075,786.56 and 267,791.28 is: 401,547.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,440.16 : 1,075,786.56 = 267,791.28 : x
  2. Step 2: Convert to fraction form
    717,440.16/1,075,786.56 = 267,791.28/x
  3. Step 3: Cross multiply
    717,440.16x = 1,075,786.56 × 267,791.28
  4. Step 4: Simplify right side
    717,440.16x = 288,086,259,909.20
  5. Step 5: Solve for x
    x = 288,086,259,909.20/717,440.16
  6. Step 6: Final answer
    x = 401,547.44

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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.