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Finding the Fourth Proportional to 677,388.84, 934,796.34 and 367,291.68

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Solution

The fourth proportional to 677,388.84, 934,796.34 and 367,291.68 is: 506,862.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,388.84 : 934,796.34 = 367,291.68 : x
  2. Step 2: Convert to fraction form
    677,388.84/934,796.34 = 367,291.68/x
  3. Step 3: Cross multiply
    677,388.84x = 934,796.34 × 367,291.68
  4. Step 4: Simplify right side
    677,388.84x = 343,342,918,176.45
  5. Step 5: Solve for x
    x = 343,342,918,176.45/677,388.84
  6. Step 6: Final answer
    x = 506,862.38

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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.