Home / 790,390.31-1,185,583.64-610,736.91

Finding the Fourth Proportional to 790,390.31, 1,185,583.64 and 610,736.91

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Solution

The fourth proportional to 790,390.31, 1,185,583.64 and 610,736.91 is: 916,103.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,390.31 : 1,185,583.64 = 610,736.91 : x
  2. Step 2: Convert to fraction form
    790,390.31/1,185,583.64 = 610,736.91/x
  3. Step 3: Cross multiply
    790,390.31x = 1,185,583.64 × 610,736.91
  4. Step 4: Simplify right side
    790,390.31x = 724,079,688,009.44
  5. Step 5: Solve for x
    x = 724,079,688,009.44/790,390.31
  6. Step 6: Final answer
    x = 916,103.96

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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.