Home / 559,513.22-772,128.34-304,864.44

Finding the Fourth Proportional to 559,513.22, 772,128.34 and 304,864.44

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Solution

The fourth proportional to 559,513.22, 772,128.34 and 304,864.44 is: 420,712.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,513.22 : 772,128.34 = 304,864.44 : x
  2. Step 2: Convert to fraction form
    559,513.22/772,128.34 = 304,864.44/x
  3. Step 3: Cross multiply
    559,513.22x = 772,128.34 × 304,864.44
  4. Step 4: Simplify right side
    559,513.22x = 235,394,473,982.23
  5. Step 5: Solve for x
    x = 235,394,473,982.23/559,513.22
  6. Step 6: Final answer
    x = 420,712.98

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1.5x scale

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.