Home / 722,845.18-997,548.15-400,524.94

Finding the Fourth Proportional to 722,845.18, 997,548.15 and 400,524.94

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Solution

The fourth proportional to 722,845.18, 997,548.15 and 400,524.94 is: 552,736.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,845.18 : 997,548.15 = 400,524.94 : x
  2. Step 2: Convert to fraction form
    722,845.18/997,548.15 = 400,524.94/x
  3. Step 3: Cross multiply
    722,845.18x = 997,548.15 × 400,524.94
  4. Step 4: Simplify right side
    722,845.18x = 399,542,912,925.86
  5. Step 5: Solve for x
    x = 399,542,912,925.86/722,845.18
  6. Step 6: Final answer
    x = 552,736.50

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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.