Home / 864,206.10-1,296,309.15-724,238.10

Finding the Fourth Proportional to 864,206.10, 1,296,309.15 and 724,238.10

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Solution

The fourth proportional to 864,206.10, 1,296,309.15 and 724,238.10 is: 1,086,357.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,206.10 : 1,296,309.15 = 724,238.10 : x
  2. Step 2: Convert to fraction form
    864,206.10/1,296,309.15 = 724,238.10/x
  3. Step 3: Cross multiply
    864,206.10x = 1,296,309.15 × 724,238.10
  4. Step 4: Simplify right side
    864,206.10x = 938,836,475,808.62
  5. Step 5: Solve for x
    x = 938,836,475,808.62/864,206.10
  6. Step 6: Final answer
    x = 1,086,357.15

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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.