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Finding the Fourth Proportional to 560,200.32, 773,086.08 and 305,560.32

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Solution

The fourth proportional to 560,200.32, 773,086.08 and 305,560.32 is: 421,678.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,200.32 : 773,086.08 = 305,560.32 : x
  2. Step 2: Convert to fraction form
    560,200.32/773,086.08 = 305,560.32/x
  3. Step 3: Cross multiply
    560,200.32x = 773,086.08 × 305,560.32
  4. Step 4: Simplify right side
    560,200.32x = 236,224,429,992.35
  5. Step 5: Solve for x
    x = 236,224,429,992.35/560,200.32
  6. Step 6: Final answer
    x = 421,678.50

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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.