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Finding the Fourth Proportional to 522,273.83, 720,958.35 and 352,737.59

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Solution

The fourth proportional to 522,273.83, 720,958.35 and 352,737.59 is: 486,926.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,273.83 : 720,958.35 = 352,737.59 : x
  2. Step 2: Convert to fraction form
    522,273.83/720,958.35 = 352,737.59/x
  3. Step 3: Cross multiply
    522,273.83x = 720,958.35 × 352,737.59
  4. Step 4: Simplify right side
    522,273.83x = 254,309,110,869.38
  5. Step 5: Solve for x
    x = 254,309,110,869.38/522,273.83
  6. Step 6: Final answer
    x = 486,926.77

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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.