Home / 723,817.69-1,085,734.40-218,383.20

Finding the Fourth Proportional to 723,817.69, 1,085,734.40 and 218,383.20

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Solution

The fourth proportional to 723,817.69, 1,085,734.40 and 218,383.20 is: 327,577.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,817.69 : 1,085,734.40 = 218,383.20 : x
  2. Step 2: Convert to fraction form
    723,817.69/1,085,734.40 = 218,383.20/x
  3. Step 3: Cross multiply
    723,817.69x = 1,085,734.40 × 218,383.20
  4. Step 4: Simplify right side
    723,817.69x = 237,106,152,622.08
  5. Step 5: Solve for x
    x = 237,106,152,622.08/723,817.69
  6. Step 6: Final answer
    x = 327,577.17

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Double scale
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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.