Home / 880,018.08-1,214,324.46-492,779.66

Finding the Fourth Proportional to 880,018.08, 1,214,324.46 and 492,779.66

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Solution

The fourth proportional to 880,018.08, 1,214,324.46 and 492,779.66 is: 679,979.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,018.08 : 1,214,324.46 = 492,779.66 : x
  2. Step 2: Convert to fraction form
    880,018.08/1,214,324.46 = 492,779.66/x
  3. Step 3: Cross multiply
    880,018.08x = 1,214,324.46 × 492,779.66
  4. Step 4: Simplify right side
    880,018.08x = 598,394,388,456.86
  5. Step 5: Solve for x
    x = 598,394,388,456.86/880,018.08
  6. Step 6: Final answer
    x = 679,979.65

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.