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Finding the Fourth Proportional to 671,376.33, 926,520.23 and 365,473.08

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Solution

The fourth proportional to 671,376.33, 926,520.23 and 365,473.08 is: 504,364.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,376.33 : 926,520.23 = 365,473.08 : x
  2. Step 2: Convert to fraction form
    671,376.33/926,520.23 = 365,473.08/x
  3. Step 3: Cross multiply
    671,376.33x = 926,520.23 × 365,473.08
  4. Step 4: Simplify right side
    671,376.33x = 338,618,200,313.04
  5. Step 5: Solve for x
    x = 338,618,200,313.04/671,376.33
  6. Step 6: Final answer
    x = 504,364.22

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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.