Home / 940,408.29-1,298,160.69-634,898.48

Finding the Fourth Proportional to 940,408.29, 1,298,160.69 and 634,898.48

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Solution

The fourth proportional to 940,408.29, 1,298,160.69 and 634,898.48 is: 876,428.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,408.29 : 1,298,160.69 = 634,898.48 : x
  2. Step 2: Convert to fraction form
    940,408.29/1,298,160.69 = 634,898.48/x
  3. Step 3: Cross multiply
    940,408.29x = 1,298,160.69 × 634,898.48
  4. Step 4: Simplify right side
    940,408.29x = 824,200,242,385.95
  5. Step 5: Solve for x
    x = 824,200,242,385.95/940,408.29
  6. Step 6: Final answer
    x = 876,428.09

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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.