Home / 572,396.49-789,867.59-317,727.63

Finding the Fourth Proportional to 572,396.49, 789,867.59 and 317,727.63

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Solution

The fourth proportional to 572,396.49, 789,867.59 and 317,727.63 is: 438,442.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,396.49 : 789,867.59 = 317,727.63 : x
  2. Step 2: Convert to fraction form
    572,396.49/789,867.59 = 317,727.63/x
  3. Step 3: Cross multiply
    572,396.49x = 789,867.59 × 317,727.63
  4. Step 4: Simplify right side
    572,396.49x = 250,962,755,795.87
  5. Step 5: Solve for x
    x = 250,962,755,795.87/572,396.49
  6. Step 6: Final answer
    x = 438,442.16

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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.