Home / 802,731.68-1,107,771.28-445,035.68

Finding the Fourth Proportional to 802,731.68, 1,107,771.28 and 445,035.68

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Solution

The fourth proportional to 802,731.68, 1,107,771.28 and 445,035.68 is: 614,150.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,731.68 : 1,107,771.28 = 445,035.68 : x
  2. Step 2: Convert to fraction form
    802,731.68/1,107,771.28 = 445,035.68/x
  3. Step 3: Cross multiply
    802,731.68x = 1,107,771.28 × 445,035.68
  4. Step 4: Simplify right side
    802,731.68x = 492,997,744,879.27
  5. Step 5: Solve for x
    x = 492,997,744,879.27/802,731.68
  6. Step 6: Final answer
    x = 614,150.10

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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.