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Finding the Fourth Proportional to 673,858.47, 929,943.84 and 367,954.24

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Solution

The fourth proportional to 673,858.47, 929,943.84 and 367,954.24 is: 507,787.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,858.47 : 929,943.84 = 367,954.24 : x
  2. Step 2: Convert to fraction form
    673,858.47/929,943.84 = 367,954.24/x
  3. Step 3: Cross multiply
    673,858.47x = 929,943.84 × 367,954.24
  4. Step 4: Simplify right side
    673,858.47x = 342,176,777,618.75
  5. Step 5: Solve for x
    x = 342,176,777,618.75/673,858.47
  6. Step 6: Final answer
    x = 507,787.30

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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.