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Finding the Fourth Proportional to 536,656.60, 804,984.90 and 402,812.20

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Solution

The fourth proportional to 536,656.60, 804,984.90 and 402,812.20 is: 604,218.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,656.60 : 804,984.90 = 402,812.20 : x
  2. Step 2: Convert to fraction form
    536,656.60/804,984.90 = 402,812.20/x
  3. Step 3: Cross multiply
    536,656.60x = 804,984.90 × 402,812.20
  4. Step 4: Simplify right side
    536,656.60x = 324,257,738,535.78
  5. Step 5: Solve for x
    x = 324,257,738,535.78/536,656.60
  6. Step 6: Final answer
    x = 604,218.30

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Similar ratio
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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.