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Finding the Fourth Proportional to 671,202.36, 926,050.25 and 380,765.72

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Solution

The fourth proportional to 671,202.36, 926,050.25 and 380,765.72 is: 525,338.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,202.36 : 926,050.25 = 380,765.72 : x
  2. Step 2: Convert to fraction form
    671,202.36/926,050.25 = 380,765.72/x
  3. Step 3: Cross multiply
    671,202.36x = 926,050.25 × 380,765.72
  4. Step 4: Simplify right side
    671,202.36x = 352,608,193,464.47
  5. Step 5: Solve for x
    x = 352,608,193,464.47/671,202.36
  6. Step 6: Final answer
    x = 525,338.13

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Double scale
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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.