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Finding the Fourth Proportional to 375,823.72, 563,735.58 and 325,071.92

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Solution

The fourth proportional to 375,823.72, 563,735.58 and 325,071.92 is: 487,607.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,823.72 : 563,735.58 = 325,071.92 : x
  2. Step 2: Convert to fraction form
    375,823.72/563,735.58 = 325,071.92/x
  3. Step 3: Cross multiply
    375,823.72x = 563,735.58 × 325,071.92
  4. Step 4: Simplify right side
    375,823.72x = 183,254,607,362.91
  5. Step 5: Solve for x
    x = 183,254,607,362.91/375,823.72
  6. Step 6: Final answer
    x = 487,607.88

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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.