Home / 731,309.18-1,009,200.83-409,019.01

Finding the Fourth Proportional to 731,309.18, 1,009,200.83 and 409,019.01

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Solution

The fourth proportional to 731,309.18, 1,009,200.83 and 409,019.01 is: 564,442.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,309.18 : 1,009,200.83 = 409,019.01 : x
  2. Step 2: Convert to fraction form
    731,309.18/1,009,200.83 = 409,019.01/x
  3. Step 3: Cross multiply
    731,309.18x = 1,009,200.83 × 409,019.01
  4. Step 4: Simplify right side
    731,309.18x = 412,782,322,332.68
  5. Step 5: Solve for x
    x = 412,782,322,332.68/731,309.18
  6. Step 6: Final answer
    x = 564,442.97

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1.5x scale

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.