Home / 829,822.32-1,242,844.56-734,060.88

Finding the Fourth Proportional to 829,822.32, 1,242,844.56 and 734,060.88

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Solution

The fourth proportional to 829,822.32, 1,242,844.56 and 734,060.88 is: 1,099,420.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,822.32 : 1,242,844.56 = 734,060.88 : x
  2. Step 2: Convert to fraction form
    829,822.32/1,242,844.56 = 734,060.88/x
  3. Step 3: Cross multiply
    829,822.32x = 1,242,844.56 × 734,060.88
  4. Step 4: Simplify right side
    829,822.32x = 912,323,571,416.81
  5. Step 5: Solve for x
    x = 912,323,571,416.81/829,822.32
  6. Step 6: Final answer
    x = 1,099,420.38

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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.