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Finding the Fourth Proportional to 669,522.54, 924,075.20 and 397,741.44

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Solution

The fourth proportional to 669,522.54, 924,075.20 and 397,741.44 is: 548,962.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,522.54 : 924,075.20 = 397,741.44 : x
  2. Step 2: Convert to fraction form
    669,522.54/924,075.20 = 397,741.44/x
  3. Step 3: Cross multiply
    669,522.54x = 924,075.20 × 397,741.44
  4. Step 4: Simplify right side
    669,522.54x = 367,543,000,716.29
  5. Step 5: Solve for x
    x = 367,543,000,716.29/669,522.54
  6. Step 6: Final answer
    x = 548,962.85

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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.