Home / 722,543.19-997,170.38-400,283.27

Finding the Fourth Proportional to 722,543.19, 997,170.38 and 400,283.27

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Solution

The fourth proportional to 722,543.19, 997,170.38 and 400,283.27 is: 552,424.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,543.19 : 997,170.38 = 400,283.27 : x
  2. Step 2: Convert to fraction form
    722,543.19/997,170.38 = 400,283.27/x
  3. Step 3: Cross multiply
    722,543.19x = 997,170.38 × 400,283.27
  4. Step 4: Simplify right side
    722,543.19x = 399,150,618,706.73
  5. Step 5: Solve for x
    x = 399,150,618,706.73/722,543.19
  6. Step 6: Final answer
    x = 552,424.58

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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.