Home / 722,845.56-997,532.73-400,561.03

Finding the Fourth Proportional to 722,845.56, 997,532.73 and 400,561.03

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Solution

The fourth proportional to 722,845.56, 997,532.73 and 400,561.03 is: 552,777.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,845.56 : 997,532.73 = 400,561.03 : x
  2. Step 2: Convert to fraction form
    722,845.56/997,532.73 = 400,561.03/x
  3. Step 3: Cross multiply
    722,845.56x = 997,532.73 × 400,561.03
  4. Step 4: Simplify right side
    722,845.56x = 399,572,737,787.51
  5. Step 5: Solve for x
    x = 399,572,737,787.51/722,845.56
  6. Step 6: Final answer
    x = 552,777.47

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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.