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Finding the Fourth Proportional to 633,807.18, 950,071.07 and 397,315.94

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Solution

The fourth proportional to 633,807.18, 950,071.07 and 397,315.94 is: 595,572.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,807.18 : 950,071.07 = 397,315.94 : x
  2. Step 2: Convert to fraction form
    633,807.18/950,071.07 = 397,315.94/x
  3. Step 3: Cross multiply
    633,807.18x = 950,071.07 × 397,315.94
  4. Step 4: Simplify right side
    633,807.18x = 377,478,376,486.79
  5. Step 5: Solve for x
    x = 377,478,376,486.79/633,807.18
  6. Step 6: Final answer
    x = 595,572.89

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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.