Home / 740,409.70-1,110,614.55-207,948.10

Finding the Fourth Proportional to 740,409.70, 1,110,614.55 and 207,948.10

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Solution

The fourth proportional to 740,409.70, 1,110,614.55 and 207,948.10 is: 311,922.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,409.70 : 1,110,614.55 = 207,948.10 : x
  2. Step 2: Convert to fraction form
    740,409.70/1,110,614.55 = 207,948.10/x
  3. Step 3: Cross multiply
    740,409.70x = 1,110,614.55 × 207,948.10
  4. Step 4: Simplify right side
    740,409.70x = 230,950,185,504.86
  5. Step 5: Solve for x
    x = 230,950,185,504.86/740,409.70
  6. Step 6: Final answer
    x = 311,922.15

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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.