Home / 695,200.40-1,042,541.40-274,389.20

Finding the Fourth Proportional to 695,200.40, 1,042,541.40 and 274,389.20

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Solution

The fourth proportional to 695,200.40, 1,042,541.40 and 274,389.20 is: 411,481.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,200.40 : 1,042,541.40 = 274,389.20 : x
  2. Step 2: Convert to fraction form
    695,200.40/1,042,541.40 = 274,389.20/x
  3. Step 3: Cross multiply
    695,200.40x = 1,042,541.40 × 274,389.20
  4. Step 4: Simplify right side
    695,200.40x = 286,062,100,712.88
  5. Step 5: Solve for x
    x = 286,062,100,712.88/695,200.40
  6. Step 6: Final answer
    x = 411,481.50

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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.