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Finding the Fourth Proportional to 672,011.70, 927,375.73 and 370,205.70

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Solution

The fourth proportional to 672,011.70, 927,375.73 and 370,205.70 is: 510,883.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,011.70 : 927,375.73 = 370,205.70 : x
  2. Step 2: Convert to fraction form
    672,011.70/927,375.73 = 370,205.70/x
  3. Step 3: Cross multiply
    672,011.70x = 927,375.73 × 370,205.70
  4. Step 4: Simplify right side
    672,011.70x = 343,319,781,287.66
  5. Step 5: Solve for x
    x = 343,319,781,287.66/672,011.70
  6. Step 6: Final answer
    x = 510,883.64

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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.