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Finding the Fourth Proportional to 671,089.64, 925,797.77 and 399,002.94

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Solution

The fourth proportional to 671,089.64, 925,797.77 and 399,002.94 is: 550,442.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,089.64 : 925,797.77 = 399,002.94 : x
  2. Step 2: Convert to fraction form
    671,089.64/925,797.77 = 399,002.94/x
  3. Step 3: Cross multiply
    671,089.64x = 925,797.77 × 399,002.94
  4. Step 4: Simplify right side
    671,089.64x = 369,396,031,576.69
  5. Step 5: Solve for x
    x = 369,396,031,576.69/671,089.64
  6. Step 6: Final answer
    x = 550,442.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.