Home / 720,979.40-1,081,469.10-627,667.40

Finding the Fourth Proportional to 720,979.40, 1,081,469.10 and 627,667.40

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Solution

The fourth proportional to 720,979.40, 1,081,469.10 and 627,667.40 is: 941,501.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,979.40 : 1,081,469.10 = 627,667.40 : x
  2. Step 2: Convert to fraction form
    720,979.40/1,081,469.10 = 627,667.40/x
  3. Step 3: Cross multiply
    720,979.40x = 1,081,469.10 × 627,667.40
  4. Step 4: Simplify right side
    720,979.40x = 678,802,898,177.34
  5. Step 5: Solve for x
    x = 678,802,898,177.34/720,979.40
  6. Step 6: Final answer
    x = 941,501.10

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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.