Home / 549,013.30-757,603.17-307,255.06

Finding the Fourth Proportional to 549,013.30, 757,603.17 and 307,255.06

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Solution

The fourth proportional to 549,013.30, 757,603.17 and 307,255.06 is: 423,992.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,013.30 : 757,603.17 = 307,255.06 : x
  2. Step 2: Convert to fraction form
    549,013.30/757,603.17 = 307,255.06/x
  3. Step 3: Cross multiply
    549,013.30x = 757,603.17 × 307,255.06
  4. Step 4: Simplify right side
    549,013.30x = 232,777,407,454.54
  5. Step 5: Solve for x
    x = 232,777,407,454.54/549,013.30
  6. Step 6: Final answer
    x = 423,992.29

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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.