Home / 572,245.92-789,689.52-317,607.84

Finding the Fourth Proportional to 572,245.92, 789,689.52 and 317,607.84

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Solution

The fourth proportional to 572,245.92, 789,689.52 and 317,607.84 is: 438,293.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,245.92 : 789,689.52 = 317,607.84 : x
  2. Step 2: Convert to fraction form
    572,245.92/789,689.52 = 317,607.84/x
  3. Step 3: Cross multiply
    572,245.92x = 789,689.52 × 317,607.84
  4. Step 4: Simplify right side
    572,245.92x = 250,811,582,717.84
  5. Step 5: Solve for x
    x = 250,811,582,717.84/572,245.92
  6. Step 6: Final answer
    x = 438,293.35

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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.