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Finding the Fourth Proportional to 568,374.40, 784,352.40 and 313,725.52

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Solution

The fourth proportional to 568,374.40, 784,352.40 and 313,725.52 is: 432,938.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,374.40 : 784,352.40 = 313,725.52 : x
  2. Step 2: Convert to fraction form
    568,374.40/784,352.40 = 313,725.52/x
  3. Step 3: Cross multiply
    568,374.40x = 784,352.40 × 313,725.52
  4. Step 4: Simplify right side
    568,374.40x = 246,071,364,553.25
  5. Step 5: Solve for x
    x = 246,071,364,553.25/568,374.40
  6. Step 6: Final answer
    x = 432,938.86

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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.