Home / 733,697.40-1,100,546.10-260,430.60

Finding the Fourth Proportional to 733,697.40, 1,100,546.10 and 260,430.60

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Solution

The fourth proportional to 733,697.40, 1,100,546.10 and 260,430.60 is: 390,645.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,697.40 : 1,100,546.10 = 260,430.60 : x
  2. Step 2: Convert to fraction form
    733,697.40/1,100,546.10 = 260,430.60/x
  3. Step 3: Cross multiply
    733,697.40x = 1,100,546.10 × 260,430.60
  4. Step 4: Simplify right side
    733,697.40x = 286,615,881,150.66
  5. Step 5: Solve for x
    x = 286,615,881,150.66/733,697.40
  6. Step 6: Final answer
    x = 390,645.90

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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.