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Finding the Fourth Proportional to 557,603.82, 836,826.36 and 258,294.42

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Solution

The fourth proportional to 557,603.82, 836,826.36 and 258,294.42 is: 387,636.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,603.82 : 836,826.36 = 258,294.42 : x
  2. Step 2: Convert to fraction form
    557,603.82/836,826.36 = 258,294.42/x
  3. Step 3: Cross multiply
    557,603.82x = 836,826.36 × 258,294.42
  4. Step 4: Simplify right side
    557,603.82x = 216,147,579,296.91
  5. Step 5: Solve for x
    x = 216,147,579,296.91/557,603.82
  6. Step 6: Final answer
    x = 387,636.48

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1.5x scale

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.