Home / 807,101.64-1,113,702.72-462,919.77

Finding the Fourth Proportional to 807,101.64, 1,113,702.72 and 462,919.77

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Solution

The fourth proportional to 807,101.64, 1,113,702.72 and 462,919.77 is: 638,773.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,101.64 : 1,113,702.72 = 462,919.77 : x
  2. Step 2: Convert to fraction form
    807,101.64/1,113,702.72 = 462,919.77/x
  3. Step 3: Cross multiply
    807,101.64x = 1,113,702.72 × 462,919.77
  4. Step 4: Simplify right side
    807,101.64x = 515,555,006,990.77
  5. Step 5: Solve for x
    x = 515,555,006,990.77/807,101.64
  6. Step 6: Final answer
    x = 638,773.34

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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.