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Finding the Fourth Proportional to 607,671.40, 838,635.52 and 335,763.04

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Solution

The fourth proportional to 607,671.40, 838,635.52 and 335,763.04 is: 463,380.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,671.40 : 838,635.52 = 335,763.04 : x
  2. Step 2: Convert to fraction form
    607,671.40/838,635.52 = 335,763.04/x
  3. Step 3: Cross multiply
    607,671.40x = 838,635.52 × 335,763.04
  4. Step 4: Simplify right side
    607,671.40x = 281,582,811,647.18
  5. Step 5: Solve for x
    x = 281,582,811,647.18/607,671.40
  6. Step 6: Final answer
    x = 463,380.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.