Home / 991,630.32-1,368,421.44-562,049.28

Finding the Fourth Proportional to 991,630.32, 1,368,421.44 and 562,049.28

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Solution

The fourth proportional to 991,630.32, 1,368,421.44 and 562,049.28 is: 775,611.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,630.32 : 1,368,421.44 = 562,049.28 : x
  2. Step 2: Convert to fraction form
    991,630.32/1,368,421.44 = 562,049.28/x
  3. Step 3: Cross multiply
    991,630.32x = 1,368,421.44 × 562,049.28
  4. Step 4: Simplify right side
    991,630.32x = 769,120,285,088.56
  5. Step 5: Solve for x
    x = 769,120,285,088.56/991,630.32
  6. Step 6: Final answer
    x = 775,611.91

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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.