Home / 497,316.54-745,979.98-398,107.38

Finding the Fourth Proportional to 497,316.54, 745,979.98 and 398,107.38

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Solution

The fourth proportional to 497,316.54, 745,979.98 and 398,107.38 is: 597,165.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,316.54 : 745,979.98 = 398,107.38 : x
  2. Step 2: Convert to fraction form
    497,316.54/745,979.98 = 398,107.38/x
  3. Step 3: Cross multiply
    497,316.54x = 745,979.98 × 398,107.38
  4. Step 4: Simplify right side
    497,316.54x = 296,980,135,370.25
  5. Step 5: Solve for x
    x = 296,980,135,370.25/497,316.54
  6. Step 6: Final answer
    x = 597,165.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.