Home / 387,521.34-580,584.49-364,725.16

Finding the Fourth Proportional to 387,521.34, 580,584.49 and 364,725.16

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Solution

The fourth proportional to 387,521.34, 580,584.49 and 364,725.16 is: 546,431.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,521.34 : 580,584.49 = 364,725.16 : x
  2. Step 2: Convert to fraction form
    387,521.34/580,584.49 = 364,725.16/x
  3. Step 3: Cross multiply
    387,521.34x = 580,584.49 × 364,725.16
  4. Step 4: Simplify right side
    387,521.34x = 211,753,771,008.77
  5. Step 5: Solve for x
    x = 211,753,771,008.77/387,521.34
  6. Step 6: Final answer
    x = 546,431.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.