Home / 947,125.52-1,420,534.92-347,939.36

Finding the Fourth Proportional to 947,125.52, 1,420,534.92 and 347,939.36

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Solution

The fourth proportional to 947,125.52, 1,420,534.92 and 347,939.36 is: 521,852.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,125.52 : 1,420,534.92 = 347,939.36 : x
  2. Step 2: Convert to fraction form
    947,125.52/1,420,534.92 = 347,939.36/x
  3. Step 3: Cross multiply
    947,125.52x = 1,420,534.92 × 347,939.36
  4. Step 4: Simplify right side
    947,125.52x = 494,260,010,922.45
  5. Step 5: Solve for x
    x = 494,260,010,922.45/947,125.52
  6. Step 6: Final answer
    x = 521,852.70

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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.