Home / 824,901.08-1,138,408.14-462,441.47

Finding the Fourth Proportional to 824,901.08, 1,138,408.14 and 462,441.47

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Solution

The fourth proportional to 824,901.08, 1,138,408.14 and 462,441.47 is: 638,194.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,901.08 : 1,138,408.14 = 462,441.47 : x
  2. Step 2: Convert to fraction form
    824,901.08/1,138,408.14 = 462,441.47/x
  3. Step 3: Cross multiply
    824,901.08x = 1,138,408.14 × 462,441.47
  4. Step 4: Simplify right side
    824,901.08x = 526,447,128,029.53
  5. Step 5: Solve for x
    x = 526,447,128,029.53/824,901.08
  6. Step 6: Final answer
    x = 638,194.26

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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.