Home / 722,868.36-997,564.22-400,583.80

Finding the Fourth Proportional to 722,868.36, 997,564.22 and 400,583.80

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Solution

The fourth proportional to 722,868.36, 997,564.22 and 400,583.80 is: 552,808.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,868.36 : 997,564.22 = 400,583.80 : x
  2. Step 2: Convert to fraction form
    722,868.36/997,564.22 = 400,583.80/x
  3. Step 3: Cross multiply
    722,868.36x = 997,564.22 × 400,583.80
  4. Step 4: Simplify right side
    722,868.36x = 399,608,065,991.64
  5. Step 5: Solve for x
    x = 399,608,065,991.64/722,868.36
  6. Step 6: Final answer
    x = 552,808.90

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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.