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Finding the Fourth Proportional to 504,550.88, 696,401.52 and 303,308

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Solution

The fourth proportional to 504,550.88, 696,401.52 and 303,308 is: 418,637.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,550.88 : 696,401.52 = 303,308 : x
  2. Step 2: Convert to fraction form
    504,550.88/696,401.52 = 303,308/x
  3. Step 3: Cross multiply
    504,550.88x = 696,401.52 × 303,308
  4. Step 4: Simplify right side
    504,550.88x = 211,224,152,228.16
  5. Step 5: Solve for x
    x = 211,224,152,228.16/504,550.88
  6. Step 6: Final answer
    x = 418,637.96

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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.