Home / 914,648.10-1,371,418.08-409,114.86

Finding the Fourth Proportional to 914,648.10, 1,371,418.08 and 409,114.86

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Solution

The fourth proportional to 914,648.10, 1,371,418.08 and 409,114.86 is: 613,424.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,648.10 : 1,371,418.08 = 409,114.86 : x
  2. Step 2: Convert to fraction form
    914,648.10/1,371,418.08 = 409,114.86/x
  3. Step 3: Cross multiply
    914,648.10x = 1,371,418.08 × 409,114.86
  4. Step 4: Simplify right side
    914,648.10x = 561,067,515,800.67
  5. Step 5: Solve for x
    x = 561,067,515,800.67/914,648.10
  6. Step 6: Final answer
    x = 613,424.46

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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.