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Finding the Fourth Proportional to 634,860, 952,557 and 395,174.28

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Solution

The fourth proportional to 634,860, 952,557 and 395,174.28 is: 592,927.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,860 : 952,557 = 395,174.28 : x
  2. Step 2: Convert to fraction form
    634,860/952,557 = 395,174.28/x
  3. Step 3: Cross multiply
    634,860x = 952,557 × 395,174.28
  4. Step 4: Simplify right side
    634,860x = 376,426,026,633.96
  5. Step 5: Solve for x
    x = 376,426,026,633.96/634,860
  6. Step 6: Final answer
    x = 592,927.62

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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.