Home / 695,451.20-1,042,917.60-245,998.40

Finding the Fourth Proportional to 695,451.20, 1,042,917.60 and 245,998.40

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Solution

The fourth proportional to 695,451.20, 1,042,917.60 and 245,998.40 is: 368,905.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,451.20 : 1,042,917.60 = 245,998.40 : x
  2. Step 2: Convert to fraction form
    695,451.20/1,042,917.60 = 245,998.40/x
  3. Step 3: Cross multiply
    695,451.20x = 1,042,917.60 × 245,998.40
  4. Step 4: Simplify right side
    695,451.20x = 256,556,060,931.84
  5. Step 5: Solve for x
    x = 256,556,060,931.84/695,451.20
  6. Step 6: Final answer
    x = 368,905.91

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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.