Home / 535,565.03-739,079.67-306,127.22

Finding the Fourth Proportional to 535,565.03, 739,079.67 and 306,127.22

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Solution

The fourth proportional to 535,565.03, 739,079.67 and 306,127.22 is: 422,455.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,565.03 : 739,079.67 = 306,127.22 : x
  2. Step 2: Convert to fraction form
    535,565.03/739,079.67 = 306,127.22/x
  3. Step 3: Cross multiply
    535,565.03x = 739,079.67 × 306,127.22
  4. Step 4: Simplify right side
    535,565.03x = 226,252,402,188.20
  5. Step 5: Solve for x
    x = 226,252,402,188.20/535,565.03
  6. Step 6: Final answer
    x = 422,455.52

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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.