Home / 603,274.20-904,911.30-445,810.20

Finding the Fourth Proportional to 603,274.20, 904,911.30 and 445,810.20

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Solution

The fourth proportional to 603,274.20, 904,911.30 and 445,810.20 is: 668,715.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,274.20 : 904,911.30 = 445,810.20 : x
  2. Step 2: Convert to fraction form
    603,274.20/904,911.30 = 445,810.20/x
  3. Step 3: Cross multiply
    603,274.20x = 904,911.30 × 445,810.20
  4. Step 4: Simplify right side
    603,274.20x = 403,418,687,635.26
  5. Step 5: Solve for x
    x = 403,418,687,635.26/603,274.20
  6. Step 6: Final answer
    x = 668,715.30

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Double scale
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Similar ratio
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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.