Home / 571,923.12-789,216.72-317,273.68

Finding the Fourth Proportional to 571,923.12, 789,216.72 and 317,273.68

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Solution

The fourth proportional to 571,923.12, 789,216.72 and 317,273.68 is: 437,817.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,923.12 : 789,216.72 = 317,273.68 : x
  2. Step 2: Convert to fraction form
    571,923.12/789,216.72 = 317,273.68/x
  3. Step 3: Cross multiply
    571,923.12x = 789,216.72 × 317,273.68
  4. Step 4: Simplify right side
    571,923.12x = 250,397,693,071.93
  5. Step 5: Solve for x
    x = 250,397,693,071.93/571,923.12
  6. Step 6: Final answer
    x = 437,817.05

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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.