Home / 711,202.20-1,068,032.10-379,426.20

Finding the Fourth Proportional to 711,202.20, 1,068,032.10 and 379,426.20

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Solution

The fourth proportional to 711,202.20, 1,068,032.10 and 379,426.20 is: 569,794.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,202.20 : 1,068,032.10 = 379,426.20 : x
  2. Step 2: Convert to fraction form
    711,202.20/1,068,032.10 = 379,426.20/x
  3. Step 3: Cross multiply
    711,202.20x = 1,068,032.10 × 379,426.20
  4. Step 4: Simplify right side
    711,202.20x = 405,239,361,181.02
  5. Step 5: Solve for x
    x = 405,239,361,181.02/711,202.20
  6. Step 6: Final answer
    x = 569,794.86

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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.