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Finding the Fourth Proportional to 578,499.54, 867,417.05 and 308,295.01

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Solution

The fourth proportional to 578,499.54, 867,417.05 and 308,295.01 is: 462,265.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,499.54 : 867,417.05 = 308,295.01 : x
  2. Step 2: Convert to fraction form
    578,499.54/867,417.05 = 308,295.01/x
  3. Step 3: Cross multiply
    578,499.54x = 867,417.05 × 308,295.01
  4. Step 4: Simplify right side
    578,499.54x = 267,420,346,562.45
  5. Step 5: Solve for x
    x = 267,420,346,562.45/578,499.54
  6. Step 6: Final answer
    x = 462,265.45

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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.