Home / 736,930.60-1,105,979.10-287,866.60

Finding the Fourth Proportional to 736,930.60, 1,105,979.10 and 287,866.60

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Solution

The fourth proportional to 736,930.60, 1,105,979.10 and 287,866.60 is: 432,027.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,930.60 : 1,105,979.10 = 287,866.60 : x
  2. Step 2: Convert to fraction form
    736,930.60/1,105,979.10 = 287,866.60/x
  3. Step 3: Cross multiply
    736,930.60x = 1,105,979.10 × 287,866.60
  4. Step 4: Simplify right side
    736,930.60x = 318,374,443,188.06
  5. Step 5: Solve for x
    x = 318,374,443,188.06/736,930.60
  6. Step 6: Final answer
    x = 432,027.71

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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.