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Finding the Fourth Proportional to 670,727.54, 925,599.62 and 380,394.38

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Solution

The fourth proportional to 670,727.54, 925,599.62 and 380,394.38 is: 524,941.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,727.54 : 925,599.62 = 380,394.38 : x
  2. Step 2: Convert to fraction form
    670,727.54/925,599.62 = 380,394.38/x
  3. Step 3: Cross multiply
    670,727.54x = 925,599.62 × 380,394.38
  4. Step 4: Simplify right side
    670,727.54x = 352,092,893,578.14
  5. Step 5: Solve for x
    x = 352,092,893,578.14/670,727.54
  6. Step 6: Final answer
    x = 524,941.76

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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.