Home / 717,421.61-1,075,758.75-267,772.68

Finding the Fourth Proportional to 717,421.61, 1,075,758.75 and 267,772.68

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Solution

The fourth proportional to 717,421.61, 1,075,758.75 and 267,772.68 is: 401,519.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,421.61 : 1,075,758.75 = 267,772.68 : x
  2. Step 2: Convert to fraction form
    717,421.61/1,075,758.75 = 267,772.68/x
  3. Step 3: Cross multiply
    717,421.61x = 1,075,758.75 × 267,772.68
  4. Step 4: Simplify right side
    717,421.61x = 288,058,803,520.95
  5. Step 5: Solve for x
    x = 288,058,803,520.95/717,421.61
  6. Step 6: Final answer
    x = 401,519.55

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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.