Home / 740,029.60-1,110,044.40-207,640.90

Finding the Fourth Proportional to 740,029.60, 1,110,044.40 and 207,640.90

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Solution

The fourth proportional to 740,029.60, 1,110,044.40 and 207,640.90 is: 311,461.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,029.60 : 1,110,044.40 = 207,640.90 : x
  2. Step 2: Convert to fraction form
    740,029.60/1,110,044.40 = 207,640.90/x
  3. Step 3: Cross multiply
    740,029.60x = 1,110,044.40 × 207,640.90
  4. Step 4: Simplify right side
    740,029.60x = 230,490,618,255.96
  5. Step 5: Solve for x
    x = 230,490,618,255.96/740,029.60
  6. Step 6: Final answer
    x = 311,461.35

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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.