Home / 571,861.57-789,263.58-317,294.77

Finding the Fourth Proportional to 571,861.57, 789,263.58 and 317,294.77

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Solution

The fourth proportional to 571,861.57, 789,263.58 and 317,294.77 is: 437,919.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,861.57 : 789,263.58 = 317,294.77 : x
  2. Step 2: Convert to fraction form
    571,861.57/789,263.58 = 317,294.77/x
  3. Step 3: Cross multiply
    571,861.57x = 789,263.58 × 317,294.77
  4. Step 4: Simplify right side
    571,861.57x = 250,429,206,085.48
  5. Step 5: Solve for x
    x = 250,429,206,085.48/571,861.57
  6. Step 6: Final answer
    x = 437,919.28

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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.