Home / 806,112.20-1,211,792.70-571,082.60

Finding the Fourth Proportional to 806,112.20, 1,211,792.70 and 571,082.60

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Solution

The fourth proportional to 806,112.20, 1,211,792.70 and 571,082.60 is: 858,483.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,112.20 : 1,211,792.70 = 571,082.60 : x
  2. Step 2: Convert to fraction form
    806,112.20/1,211,792.70 = 571,082.60/x
  3. Step 3: Cross multiply
    806,112.20x = 1,211,792.70 × 571,082.60
  4. Step 4: Simplify right side
    806,112.20x = 692,033,725,777.02
  5. Step 5: Solve for x
    x = 692,033,725,777.02/806,112.20
  6. Step 6: Final answer
    x = 858,483.13

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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.