Home / 710,927.70-1,065,009.15-394,818.90

Finding the Fourth Proportional to 710,927.70, 1,065,009.15 and 394,818.90

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Solution

The fourth proportional to 710,927.70, 1,065,009.15 and 394,818.90 is: 591,460.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,927.70 : 1,065,009.15 = 394,818.90 : x
  2. Step 2: Convert to fraction form
    710,927.70/1,065,009.15 = 394,818.90/x
  3. Step 3: Cross multiply
    710,927.70x = 1,065,009.15 × 394,818.90
  4. Step 4: Simplify right side
    710,927.70x = 420,485,741,092.94
  5. Step 5: Solve for x
    x = 420,485,741,092.94/710,927.70
  6. Step 6: Final answer
    x = 591,460.62

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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.