Home / 571,945.65-789,285.90-317,296.77

Finding the Fourth Proportional to 571,945.65, 789,285.90 and 317,296.77

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Solution

The fourth proportional to 571,945.65, 789,285.90 and 317,296.77 is: 437,870.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,945.65 : 789,285.90 = 317,296.77 : x
  2. Step 2: Convert to fraction form
    571,945.65/789,285.90 = 317,296.77/x
  3. Step 3: Cross multiply
    571,945.65x = 789,285.90 × 317,296.77
  4. Step 4: Simplify right side
    571,945.65x = 250,437,866,676.54
  5. Step 5: Solve for x
    x = 250,437,866,676.54/571,945.65
  6. Step 6: Final answer
    x = 437,870.04

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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.