Home / 807,110.88-1,113,715.47-462,929.05

Finding the Fourth Proportional to 807,110.88, 1,113,715.47 and 462,929.05

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Solution

The fourth proportional to 807,110.88, 1,113,715.47 and 462,929.05 is: 638,786.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,110.88 : 1,113,715.47 = 462,929.05 : x
  2. Step 2: Convert to fraction form
    807,110.88/1,113,715.47 = 462,929.05/x
  3. Step 3: Cross multiply
    807,110.88x = 1,113,715.47 × 462,929.05
  4. Step 4: Simplify right side
    807,110.88x = 515,571,244,497.40
  5. Step 5: Solve for x
    x = 515,571,244,497.40/807,110.88
  6. Step 6: Final answer
    x = 638,786.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.