Home / 572,700.48-791,175.51-376,928.61

Finding the Fourth Proportional to 572,700.48, 791,175.51 and 376,928.61

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Solution

The fourth proportional to 572,700.48, 791,175.51 and 376,928.61 is: 520,720.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,700.48 : 791,175.51 = 376,928.61 : x
  2. Step 2: Convert to fraction form
    572,700.48/791,175.51 = 376,928.61/x
  3. Step 3: Cross multiply
    572,700.48x = 791,175.51 × 376,928.61
  4. Step 4: Simplify right side
    572,700.48x = 298,216,685,250.34
  5. Step 5: Solve for x
    x = 298,216,685,250.34/572,700.48
  6. Step 6: Final answer
    x = 520,720.16

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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.