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Finding the Fourth Proportional to 702,982.02, 970,113.44 and 380,692.12

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Solution

The fourth proportional to 702,982.02, 970,113.44 and 380,692.12 is: 525,354.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,982.02 : 970,113.44 = 380,692.12 : x
  2. Step 2: Convert to fraction form
    702,982.02/970,113.44 = 380,692.12/x
  3. Step 3: Cross multiply
    702,982.02x = 970,113.44 × 380,692.12
  4. Step 4: Simplify right side
    702,982.02x = 369,314,542,114.09
  5. Step 5: Solve for x
    x = 369,314,542,114.09/702,982.02
  6. Step 6: Final answer
    x = 525,354.18

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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.