Home / 740,753.57-1,110,878.79-208,150.76

Finding the Fourth Proportional to 740,753.57, 1,110,878.79 and 208,150.76

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Solution

The fourth proportional to 740,753.57, 1,110,878.79 and 208,150.76 is: 312,155.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,753.57 : 1,110,878.79 = 208,150.76 : x
  2. Step 2: Convert to fraction form
    740,753.57/1,110,878.79 = 208,150.76/x
  3. Step 3: Cross multiply
    740,753.57x = 1,110,878.79 × 208,150.76
  4. Step 4: Simplify right side
    740,753.57x = 231,230,258,851.99
  5. Step 5: Solve for x
    x = 231,230,258,851.99/740,753.57
  6. Step 6: Final answer
    x = 312,155.45

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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.