Home / 698,976.80-1,048,465.20-225,677.60

Finding the Fourth Proportional to 698,976.80, 1,048,465.20 and 225,677.60

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Solution

The fourth proportional to 698,976.80, 1,048,465.20 and 225,677.60 is: 338,516.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,976.80 : 1,048,465.20 = 225,677.60 : x
  2. Step 2: Convert to fraction form
    698,976.80/1,048,465.20 = 225,677.60/x
  3. Step 3: Cross multiply
    698,976.80x = 1,048,465.20 × 225,677.60
  4. Step 4: Simplify right side
    698,976.80x = 236,615,110,019.52
  5. Step 5: Solve for x
    x = 236,615,110,019.52/698,976.80
  6. Step 6: Final answer
    x = 338,516.40

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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.