Home / 688,261.84-1,031,991-267,045.64

Finding the Fourth Proportional to 688,261.84, 1,031,991 and 267,045.64

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Solution

The fourth proportional to 688,261.84, 1,031,991 and 267,045.64 is: 400,412.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,261.84 : 1,031,991 = 267,045.64 : x
  2. Step 2: Convert to fraction form
    688,261.84/1,031,991 = 267,045.64/x
  3. Step 3: Cross multiply
    688,261.84x = 1,031,991 × 267,045.64
  4. Step 4: Simplify right side
    688,261.84x = 275,588,697,069.24
  5. Step 5: Solve for x
    x = 275,588,697,069.24/688,261.84
  6. Step 6: Final answer
    x = 400,412.58

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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.