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Finding the Fourth Proportional to 679,626.69, 937,908.89 and 373,726.27

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Solution

The fourth proportional to 679,626.69, 937,908.89 and 373,726.27 is: 515,755.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,626.69 : 937,908.89 = 373,726.27 : x
  2. Step 2: Convert to fraction form
    679,626.69/937,908.89 = 373,726.27/x
  3. Step 3: Cross multiply
    679,626.69x = 937,908.89 × 373,726.27
  4. Step 4: Simplify right side
    679,626.69x = 350,521,191,059.54
  5. Step 5: Solve for x
    x = 350,521,191,059.54/679,626.69
  6. Step 6: Final answer
    x = 515,755.48

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1.5x scale

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.