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Finding the Fourth Proportional to 442,036.29, 663,059.06 and 353,850.37

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Solution

The fourth proportional to 442,036.29, 663,059.06 and 353,850.37 is: 530,779.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,036.29 : 663,059.06 = 353,850.37 : x
  2. Step 2: Convert to fraction form
    442,036.29/663,059.06 = 353,850.37/x
  3. Step 3: Cross multiply
    442,036.29x = 663,059.06 × 353,850.37
  4. Step 4: Simplify right side
    442,036.29x = 234,623,697,333.01
  5. Step 5: Solve for x
    x = 234,623,697,333.01/442,036.29
  6. Step 6: Final answer
    x = 530,779.27

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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.