Home / 1,023,339.56-1,535,015.82-313,313

Finding the Fourth Proportional to 1,023,339.56, 1,535,015.82 and 313,313

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Solution

The fourth proportional to 1,023,339.56, 1,535,015.82 and 313,313 is: 469,971.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,339.56 : 1,535,015.82 = 313,313 : x
  2. Step 2: Convert to fraction form
    1,023,339.56/1,535,015.82 = 313,313/x
  3. Step 3: Cross multiply
    1,023,339.56x = 1,535,015.82 × 313,313
  4. Step 4: Simplify right side
    1,023,339.56x = 480,940,411,611.66
  5. Step 5: Solve for x
    x = 480,940,411,611.66/1,023,339.56
  6. Step 6: Final answer
    x = 469,971.48

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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.