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Finding the Fourth Proportional to 679,483.75, 937,663.68 and 373,557.92

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Solution

The fourth proportional to 679,483.75, 937,663.68 and 373,557.92 is: 515,496.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,483.75 : 937,663.68 = 373,557.92 : x
  2. Step 2: Convert to fraction form
    679,483.75/937,663.68 = 373,557.92/x
  3. Step 3: Cross multiply
    679,483.75x = 937,663.68 × 373,557.92
  4. Step 4: Simplify right side
    679,483.75x = 350,271,693,960.35
  5. Step 5: Solve for x
    x = 350,271,693,960.35/679,483.75
  6. Step 6: Final answer
    x = 515,496.79

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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.