Home / 461,720.23-637,184.61-289,645.43

Finding the Fourth Proportional to 461,720.23, 637,184.61 and 289,645.43

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Solution

The fourth proportional to 461,720.23, 637,184.61 and 289,645.43 is: 399,717.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,720.23 : 637,184.61 = 289,645.43 : x
  2. Step 2: Convert to fraction form
    461,720.23/637,184.61 = 289,645.43/x
  3. Step 3: Cross multiply
    461,720.23x = 637,184.61 × 289,645.43
  4. Step 4: Simplify right side
    461,720.23x = 184,557,610,352.83
  5. Step 5: Solve for x
    x = 184,557,610,352.83/461,720.23
  6. Step 6: Final answer
    x = 399,717.41

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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.