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Finding the Fourth Proportional to 673,857.96, 929,899.46 and 367,928.68

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Solution

The fourth proportional to 673,857.96, 929,899.46 and 367,928.68 is: 507,728.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,857.96 : 929,899.46 = 367,928.68 : x
  2. Step 2: Convert to fraction form
    673,857.96/929,899.46 = 367,928.68/x
  3. Step 3: Cross multiply
    673,857.96x = 929,899.46 × 367,928.68
  4. Step 4: Simplify right side
    673,857.96x = 342,136,680,850.51
  5. Step 5: Solve for x
    x = 342,136,680,850.51/673,857.96
  6. Step 6: Final answer
    x = 507,728.19

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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.