Home / 748,692.64-1,122,402.48-327,653.92

Finding the Fourth Proportional to 748,692.64, 1,122,402.48 and 327,653.92

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Solution

The fourth proportional to 748,692.64, 1,122,402.48 and 327,653.92 is: 491,202.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,692.64 : 1,122,402.48 = 327,653.92 : x
  2. Step 2: Convert to fraction form
    748,692.64/1,122,402.48 = 327,653.92/x
  3. Step 3: Cross multiply
    748,692.64x = 1,122,402.48 × 327,653.92
  4. Step 4: Simplify right side
    748,692.64x = 367,759,572,389.72
  5. Step 5: Solve for x
    x = 367,759,572,389.72/748,692.64
  6. Step 6: Final answer
    x = 491,202.33

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.