Home / 651,408.08-898,943.24-361,038.39

Finding the Fourth Proportional to 651,408.08, 898,943.24 and 361,038.39

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Solution

The fourth proportional to 651,408.08, 898,943.24 and 361,038.39 is: 498,233.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,408.08 : 898,943.24 = 361,038.39 : x
  2. Step 2: Convert to fraction form
    651,408.08/898,943.24 = 361,038.39/x
  3. Step 3: Cross multiply
    651,408.08x = 898,943.24 × 361,038.39
  4. Step 4: Simplify right side
    651,408.08x = 324,553,018,265.79
  5. Step 5: Solve for x
    x = 324,553,018,265.79/651,408.08
  6. Step 6: Final answer
    x = 498,233.03

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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.