Home / 425,087.07-636,930.77-297,016.35

Finding the Fourth Proportional to 425,087.07, 636,930.77 and 297,016.35

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Solution

The fourth proportional to 425,087.07, 636,930.77 and 297,016.35 is: 445,035.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,087.07 : 636,930.77 = 297,016.35 : x
  2. Step 2: Convert to fraction form
    425,087.07/636,930.77 = 297,016.35/x
  3. Step 3: Cross multiply
    425,087.07x = 636,930.77 × 297,016.35
  4. Step 4: Simplify right side
    425,087.07x = 189,178,851,023.01
  5. Step 5: Solve for x
    x = 189,178,851,023.01/425,087.07
  6. Step 6: Final answer
    x = 445,035.53

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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.