Home / 804,709.48-1,110,495.36-442,155.76

Finding the Fourth Proportional to 804,709.48, 1,110,495.36 and 442,155.76

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Solution

The fourth proportional to 804,709.48, 1,110,495.36 and 442,155.76 is: 610,172.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,709.48 : 1,110,495.36 = 442,155.76 : x
  2. Step 2: Convert to fraction form
    804,709.48/1,110,495.36 = 442,155.76/x
  3. Step 3: Cross multiply
    804,709.48x = 1,110,495.36 × 442,155.76
  4. Step 4: Simplify right side
    804,709.48x = 491,011,919,877.27
  5. Step 5: Solve for x
    x = 491,011,919,877.27/804,709.48
  6. Step 6: Final answer
    x = 610,172.90

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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.