Home / 868,035.44-1,302,043.43-306,938.72

Finding the Fourth Proportional to 868,035.44, 1,302,043.43 and 306,938.72

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Solution

The fourth proportional to 868,035.44, 1,302,043.43 and 306,938.72 is: 460,404.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,035.44 : 1,302,043.43 = 306,938.72 : x
  2. Step 2: Convert to fraction form
    868,035.44/1,302,043.43 = 306,938.72/x
  3. Step 3: Cross multiply
    868,035.44x = 1,302,043.43 × 306,938.72
  4. Step 4: Simplify right side
    868,035.44x = 399,647,543,788.61
  5. Step 5: Solve for x
    x = 399,647,543,788.61/868,035.44
  6. Step 6: Final answer
    x = 460,404.64

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1.5x scale

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.