Home / 722,588.58-997,099.56-400,238.46

Finding the Fourth Proportional to 722,588.58, 997,099.56 and 400,238.46

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Solution

The fourth proportional to 722,588.58, 997,099.56 and 400,238.46 is: 552,288.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,588.58 : 997,099.56 = 400,238.46 : x
  2. Step 2: Convert to fraction form
    722,588.58/997,099.56 = 400,238.46/x
  3. Step 3: Cross multiply
    722,588.58x = 997,099.56 × 400,238.46
  4. Step 4: Simplify right side
    722,588.58x = 399,077,592,361.08
  5. Step 5: Solve for x
    x = 399,077,592,361.08/722,588.58
  6. Step 6: Final answer
    x = 552,288.82

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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.