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Finding the Fourth Proportional to 584,273.11, 874,103.73 and 442,526.80

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Solution

The fourth proportional to 584,273.11, 874,103.73 and 442,526.80 is: 662,043.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,273.11 : 874,103.73 = 442,526.80 : x
  2. Step 2: Convert to fraction form
    584,273.11/874,103.73 = 442,526.80/x
  3. Step 3: Cross multiply
    584,273.11x = 874,103.73 × 442,526.80
  4. Step 4: Simplify right side
    584,273.11x = 386,814,326,504.96
  5. Step 5: Solve for x
    x = 386,814,326,504.96/584,273.11
  6. Step 6: Final answer
    x = 662,043.69

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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.