Home / 572,268.64-789,730.68-317,619.76

Finding the Fourth Proportional to 572,268.64, 789,730.68 and 317,619.76

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Solution

The fourth proportional to 572,268.64, 789,730.68 and 317,619.76 is: 438,315.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,268.64 : 789,730.68 = 317,619.76 : x
  2. Step 2: Convert to fraction form
    572,268.64/789,730.68 = 317,619.76/x
  3. Step 3: Cross multiply
    572,268.64x = 789,730.68 × 317,619.76
  4. Step 4: Simplify right side
    572,268.64x = 250,834,069,046.24
  5. Step 5: Solve for x
    x = 250,834,069,046.24/572,268.64
  6. Step 6: Final answer
    x = 438,315.24

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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.