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Finding the Fourth Proportional to 503,572.85, 694,908.81 and 274,130.49

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Solution

The fourth proportional to 503,572.85, 694,908.81 and 274,130.49 is: 378,288.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,572.85 : 694,908.81 = 274,130.49 : x
  2. Step 2: Convert to fraction form
    503,572.85/694,908.81 = 274,130.49/x
  3. Step 3: Cross multiply
    503,572.85x = 694,908.81 × 274,130.49
  4. Step 4: Simplify right side
    503,572.85x = 190,495,692,590.62
  5. Step 5: Solve for x
    x = 190,495,692,590.62/503,572.85
  6. Step 6: Final answer
    x = 378,288.25

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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.