Home / 739,778.11-1,020,894.20-513,554.83

Finding the Fourth Proportional to 739,778.11, 1,020,894.20 and 513,554.83

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Solution

The fourth proportional to 739,778.11, 1,020,894.20 and 513,554.83 is: 708,705.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,778.11 : 1,020,894.20 = 513,554.83 : x
  2. Step 2: Convert to fraction form
    739,778.11/1,020,894.20 = 513,554.83/x
  3. Step 3: Cross multiply
    739,778.11x = 1,020,894.20 × 513,554.83
  4. Step 4: Simplify right side
    739,778.11x = 524,285,147,328.99
  5. Step 5: Solve for x
    x = 524,285,147,328.99/739,778.11
  6. Step 6: Final answer
    x = 708,705.95

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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.