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Finding the Fourth Proportional to 560,304.08, 773,218.02 and 305,653.45

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Solution

The fourth proportional to 560,304.08, 773,218.02 and 305,653.45 is: 421,800.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,304.08 : 773,218.02 = 305,653.45 : x
  2. Step 2: Convert to fraction form
    560,304.08/773,218.02 = 305,653.45/x
  3. Step 3: Cross multiply
    560,304.08x = 773,218.02 × 305,653.45
  4. Step 4: Simplify right side
    560,304.08x = 236,336,755,415.17
  5. Step 5: Solve for x
    x = 236,336,755,415.17/560,304.08
  6. Step 6: Final answer
    x = 421,800.88

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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.