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Finding the Fourth Proportional to 834,302.40, 1,250,711.40 and 301,705.10

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Solution

The fourth proportional to 834,302.40, 1,250,711.40 and 301,705.10 is: 452,289.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,302.40 : 1,250,711.40 = 301,705.10 : x
  2. Step 2: Convert to fraction form
    834,302.40/1,250,711.40 = 301,705.10/x
  3. Step 3: Cross multiply
    834,302.40x = 1,250,711.40 × 301,705.10
  4. Step 4: Simplify right side
    834,302.40x = 377,346,008,008.14
  5. Step 5: Solve for x
    x = 377,346,008,008.14/834,302.40
  6. Step 6: Final answer
    x = 452,289.25

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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.