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Finding the Fourth Proportional to 883,158, 1,218,758.10 and 480,750

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Solution

The fourth proportional to 883,158, 1,218,758.10 and 480,750 is: 663,435.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,158 : 1,218,758.10 = 480,750 : x
  2. Step 2: Convert to fraction form
    883,158/1,218,758.10 = 480,750/x
  3. Step 3: Cross multiply
    883,158x = 1,218,758.10 × 480,750
  4. Step 4: Simplify right side
    883,158x = 585,917,956,575
  5. Step 5: Solve for x
    x = 585,917,956,575/883,158
  6. Step 6: Final answer
    x = 663,435.03

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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.