Home / 825,206.20-1,237,809.30-720,230.20

Finding the Fourth Proportional to 825,206.20, 1,237,809.30 and 720,230.20

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Solution

The fourth proportional to 825,206.20, 1,237,809.30 and 720,230.20 is: 1,080,345.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,206.20 : 1,237,809.30 = 720,230.20 : x
  2. Step 2: Convert to fraction form
    825,206.20/1,237,809.30 = 720,230.20/x
  3. Step 3: Cross multiply
    825,206.20x = 1,237,809.30 × 720,230.20
  4. Step 4: Simplify right side
    825,206.20x = 891,507,639,700.86
  5. Step 5: Solve for x
    x = 891,507,639,700.86/825,206.20
  6. Step 6: Final answer
    x = 1,080,345.30

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Double scale
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1.5x scale

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.