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Finding the Fourth Proportional to 603,158.84, 903,360.16 and 287,837.20

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Solution

The fourth proportional to 603,158.84, 903,360.16 and 287,837.20 is: 431,098.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,158.84 : 903,360.16 = 287,837.20 : x
  2. Step 2: Convert to fraction form
    603,158.84/903,360.16 = 287,837.20/x
  3. Step 3: Cross multiply
    603,158.84x = 903,360.16 × 287,837.20
  4. Step 4: Simplify right side
    603,158.84x = 260,020,659,045.95
  5. Step 5: Solve for x
    x = 260,020,659,045.95/603,158.84
  6. Step 6: Final answer
    x = 431,098.15

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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.