Home / 739,826.54-1,020,959.06-400,294.70

Finding the Fourth Proportional to 739,826.54, 1,020,959.06 and 400,294.70

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Solution

The fourth proportional to 739,826.54, 1,020,959.06 and 400,294.70 is: 552,405.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,826.54 : 1,020,959.06 = 400,294.70 : x
  2. Step 2: Convert to fraction form
    739,826.54/1,020,959.06 = 400,294.70/x
  3. Step 3: Cross multiply
    739,826.54x = 1,020,959.06 × 400,294.70
  4. Step 4: Simplify right side
    739,826.54x = 408,684,500,634.98
  5. Step 5: Solve for x
    x = 408,684,500,634.98/739,826.54
  6. Step 6: Final answer
    x = 552,405.84

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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.