Home / 749,911.72-1,125,032.82-217,454.98

Finding the Fourth Proportional to 749,911.72, 1,125,032.82 and 217,454.98

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Solution

The fourth proportional to 749,911.72, 1,125,032.82 and 217,454.98 is: 326,230.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,911.72 : 1,125,032.82 = 217,454.98 : x
  2. Step 2: Convert to fraction form
    749,911.72/1,125,032.82 = 217,454.98/x
  3. Step 3: Cross multiply
    749,911.72x = 1,125,032.82 × 217,454.98
  4. Step 4: Simplify right side
    749,911.72x = 244,643,989,372.44
  5. Step 5: Solve for x
    x = 244,643,989,372.44/749,911.72
  6. Step 6: Final answer
    x = 326,230.39

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1.5x scale

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.