Home / 802,926.50-1,108,038.57-445,230.50

Finding the Fourth Proportional to 802,926.50, 1,108,038.57 and 445,230.50

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Solution

The fourth proportional to 802,926.50, 1,108,038.57 and 445,230.50 is: 614,418.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,926.50 : 1,108,038.57 = 445,230.50 : x
  2. Step 2: Convert to fraction form
    802,926.50/1,108,038.57 = 445,230.50/x
  3. Step 3: Cross multiply
    802,926.50x = 1,108,038.57 × 445,230.50
  4. Step 4: Simplify right side
    802,926.50x = 493,332,566,540.39
  5. Step 5: Solve for x
    x = 493,332,566,540.39/802,926.50
  6. Step 6: Final answer
    x = 614,418.09

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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.