Home / 787,038.50-1,180,806.70-281,588.24

Finding the Fourth Proportional to 787,038.50, 1,180,806.70 and 281,588.24

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Solution

The fourth proportional to 787,038.50, 1,180,806.70 and 281,588.24 is: 422,471.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,038.50 : 1,180,806.70 = 281,588.24 : x
  2. Step 2: Convert to fraction form
    787,038.50/1,180,806.70 = 281,588.24/x
  3. Step 3: Cross multiply
    787,038.50x = 1,180,806.70 × 281,588.24
  4. Step 4: Simplify right side
    787,038.50x = 332,501,280,433.21
  5. Step 5: Solve for x
    x = 332,501,280,433.21/787,038.50
  6. Step 6: Final answer
    x = 422,471.43

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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.