Home / 893,290.64-1,232,738.39-485,393.72

Finding the Fourth Proportional to 893,290.64, 1,232,738.39 and 485,393.72

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Solution

The fourth proportional to 893,290.64, 1,232,738.39 and 485,393.72 is: 669,841.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,290.64 : 1,232,738.39 = 485,393.72 : x
  2. Step 2: Convert to fraction form
    893,290.64/1,232,738.39 = 485,393.72/x
  3. Step 3: Cross multiply
    893,290.64x = 1,232,738.39 × 485,393.72
  4. Step 4: Simplify right side
    893,290.64x = 598,363,474,210.30
  5. Step 5: Solve for x
    x = 598,363,474,210.30/893,290.64
  6. Step 6: Final answer
    x = 669,841.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.