Home / 723,346.19-1,085,019.26-243,533.87

Finding the Fourth Proportional to 723,346.19, 1,085,019.26 and 243,533.87

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Solution

The fourth proportional to 723,346.19, 1,085,019.26 and 243,533.87 is: 365,300.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,346.19 : 1,085,019.26 = 243,533.87 : x
  2. Step 2: Convert to fraction form
    723,346.19/1,085,019.26 = 243,533.87/x
  3. Step 3: Cross multiply
    723,346.19x = 1,085,019.26 × 243,533.87
  4. Step 4: Simplify right side
    723,346.19x = 264,238,932,769.57
  5. Step 5: Solve for x
    x = 264,238,932,769.57/723,346.19
  6. Step 6: Final answer
    x = 365,300.79

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Double scale
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Similar ratio
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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.