Home / 571,771.89-789,025.05-317,146.77

Finding the Fourth Proportional to 571,771.89, 789,025.05 and 317,146.77

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Solution

The fourth proportional to 571,771.89, 789,025.05 and 317,146.77 is: 437,651.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,771.89 : 789,025.05 = 317,146.77 : x
  2. Step 2: Convert to fraction form
    571,771.89/789,025.05 = 317,146.77/x
  3. Step 3: Cross multiply
    571,771.89x = 789,025.05 × 317,146.77
  4. Step 4: Simplify right side
    571,771.89x = 250,236,746,056.59
  5. Step 5: Solve for x
    x = 250,236,746,056.59/571,771.89
  6. Step 6: Final answer
    x = 437,651.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.