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Finding the Fourth Proportional to 483,208.20, 724,812.30 and 404,411.40

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Solution

The fourth proportional to 483,208.20, 724,812.30 and 404,411.40 is: 606,617.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,208.20 : 724,812.30 = 404,411.40 : x
  2. Step 2: Convert to fraction form
    483,208.20/724,812.30 = 404,411.40/x
  3. Step 3: Cross multiply
    483,208.20x = 724,812.30 × 404,411.40
  4. Step 4: Simplify right side
    483,208.20x = 293,122,356,980.22
  5. Step 5: Solve for x
    x = 293,122,356,980.22/483,208.20
  6. Step 6: Final answer
    x = 606,617.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.