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Finding the Fourth Proportional to 560,276.34, 773,186.94 and 305,632.86

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Solution

The fourth proportional to 560,276.34, 773,186.94 and 305,632.86 is: 421,776.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,276.34 : 773,186.94 = 305,632.86 : x
  2. Step 2: Convert to fraction form
    560,276.34/773,186.94 = 305,632.86/x
  3. Step 3: Cross multiply
    560,276.34x = 773,186.94 × 305,632.86
  4. Step 4: Simplify right side
    560,276.34x = 236,311,335,786.85
  5. Step 5: Solve for x
    x = 236,311,335,786.85/560,276.34
  6. Step 6: Final answer
    x = 421,776.40

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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.