Home / 688,243.84-1,031,964-267,027.64

Finding the Fourth Proportional to 688,243.84, 1,031,964 and 267,027.64

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Solution

The fourth proportional to 688,243.84, 1,031,964 and 267,027.64 is: 400,385.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,243.84 : 1,031,964 = 267,027.64 : x
  2. Step 2: Convert to fraction form
    688,243.84/1,031,964 = 267,027.64/x
  3. Step 3: Cross multiply
    688,243.84x = 1,031,964 × 267,027.64
  4. Step 4: Simplify right side
    688,243.84x = 275,562,911,484.96
  5. Step 5: Solve for x
    x = 275,562,911,484.96/688,243.84
  6. Step 6: Final answer
    x = 400,385.58

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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.