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Finding the Fourth Proportional to 594,651.20, 889,903.20 and 408,027.20

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Solution

The fourth proportional to 594,651.20, 889,903.20 and 408,027.20 is: 610,617.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,651.20 : 889,903.20 = 408,027.20 : x
  2. Step 2: Convert to fraction form
    594,651.20/889,903.20 = 408,027.20/x
  3. Step 3: Cross multiply
    594,651.20x = 889,903.20 × 408,027.20
  4. Step 4: Simplify right side
    594,651.20x = 363,104,710,967.04
  5. Step 5: Solve for x
    x = 363,104,710,967.04/594,651.20
  6. Step 6: Final answer
    x = 610,617.97

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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.