Home / 910,393.24-1,365,550.96-311,407.96

Finding the Fourth Proportional to 910,393.24, 1,365,550.96 and 311,407.96

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Solution

The fourth proportional to 910,393.24, 1,365,550.96 and 311,407.96 is: 467,098.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,393.24 : 1,365,550.96 = 311,407.96 : x
  2. Step 2: Convert to fraction form
    910,393.24/1,365,550.96 = 311,407.96/x
  3. Step 3: Cross multiply
    910,393.24x = 1,365,550.96 × 311,407.96
  4. Step 4: Simplify right side
    910,393.24x = 425,243,438,729.64
  5. Step 5: Solve for x
    x = 425,243,438,729.64/910,393.24
  6. Step 6: Final answer
    x = 467,098.63

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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.