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Finding the Fourth Proportional to 536,420.66, 804,621.87 and 283,647.20

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Solution

The fourth proportional to 536,420.66, 804,621.87 and 283,647.20 is: 425,465.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,420.66 : 804,621.87 = 283,647.20 : x
  2. Step 2: Convert to fraction form
    536,420.66/804,621.87 = 283,647.20/x
  3. Step 3: Cross multiply
    536,420.66x = 804,621.87 × 283,647.20
  4. Step 4: Simplify right side
    536,420.66x = 228,228,736,461.16
  5. Step 5: Solve for x
    x = 228,228,736,461.16/536,420.66
  6. Step 6: Final answer
    x = 425,465.97

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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.