Home / 743,309.33-1,114,964.01-322,585.20

Finding the Fourth Proportional to 743,309.33, 1,114,964.01 and 322,585.20

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Solution

The fourth proportional to 743,309.33, 1,114,964.01 and 322,585.20 is: 483,877.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,309.33 : 1,114,964.01 = 322,585.20 : x
  2. Step 2: Convert to fraction form
    743,309.33/1,114,964.01 = 322,585.20/x
  3. Step 3: Cross multiply
    743,309.33x = 1,114,964.01 × 322,585.20
  4. Step 4: Simplify right side
    743,309.33x = 359,670,888,158.65
  5. Step 5: Solve for x
    x = 359,670,888,158.65/743,309.33
  6. Step 6: Final answer
    x = 483,877.81

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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.