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Finding the Fourth Proportional to 668,676.47, 922,770.36 and 362,752.97

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Solution

The fourth proportional to 668,676.47, 922,770.36 and 362,752.97 is: 500,597.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,676.47 : 922,770.36 = 362,752.97 : x
  2. Step 2: Convert to fraction form
    668,676.47/922,770.36 = 362,752.97/x
  3. Step 3: Cross multiply
    668,676.47x = 922,770.36 × 362,752.97
  4. Step 4: Simplify right side
    668,676.47x = 334,737,684,104.12
  5. Step 5: Solve for x
    x = 334,737,684,104.12/668,676.47
  6. Step 6: Final answer
    x = 500,597.38

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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.