Home / 695,123.10-1,042,684.65-245,840.40

Finding the Fourth Proportional to 695,123.10, 1,042,684.65 and 245,840.40

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Solution

The fourth proportional to 695,123.10, 1,042,684.65 and 245,840.40 is: 368,760.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,123.10 : 1,042,684.65 = 245,840.40 : x
  2. Step 2: Convert to fraction form
    695,123.10/1,042,684.65 = 245,840.40/x
  3. Step 3: Cross multiply
    695,123.10x = 1,042,684.65 × 245,840.40
  4. Step 4: Simplify right side
    695,123.10x = 256,334,011,429.86
  5. Step 5: Solve for x
    x = 256,334,011,429.86/695,123.10
  6. Step 6: Final answer
    x = 368,760.60

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Double scale
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Similar ratio
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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.