Home / 916,692.72-1,265,010.28-503,229.43

Finding the Fourth Proportional to 916,692.72, 1,265,010.28 and 503,229.43

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Solution

The fourth proportional to 916,692.72, 1,265,010.28 and 503,229.43 is: 694,442.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,692.72 : 1,265,010.28 = 503,229.43 : x
  2. Step 2: Convert to fraction form
    916,692.72/1,265,010.28 = 503,229.43/x
  3. Step 3: Cross multiply
    916,692.72x = 1,265,010.28 × 503,229.43
  4. Step 4: Simplify right side
    916,692.72x = 636,590,402,148.54
  5. Step 5: Solve for x
    x = 636,590,402,148.54/916,692.72
  6. Step 6: Final answer
    x = 694,442.52

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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.