Home / 671,814.57-1,008,044.51-419,030.17

Finding the Fourth Proportional to 671,814.57, 1,008,044.51 and 419,030.17

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Solution

The fourth proportional to 671,814.57, 1,008,044.51 and 419,030.17 is: 628,746.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,814.57 : 1,008,044.51 = 419,030.17 : x
  2. Step 2: Convert to fraction form
    671,814.57/1,008,044.51 = 419,030.17/x
  3. Step 3: Cross multiply
    671,814.57x = 1,008,044.51 × 419,030.17
  4. Step 4: Simplify right side
    671,814.57x = 422,401,062,392.87
  5. Step 5: Solve for x
    x = 422,401,062,392.87/671,814.57
  6. Step 6: Final answer
    x = 628,746.50

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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.