Home / 722,887.24-997,586.70-400,602.64

Finding the Fourth Proportional to 722,887.24, 997,586.70 and 400,602.64

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Solution

The fourth proportional to 722,887.24, 997,586.70 and 400,602.64 is: 552,832.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,887.24 : 997,586.70 = 400,602.64 : x
  2. Step 2: Convert to fraction form
    722,887.24/997,586.70 = 400,602.64/x
  3. Step 3: Cross multiply
    722,887.24x = 997,586.70 × 400,602.64
  4. Step 4: Simplify right side
    722,887.24x = 399,635,865,648.89
  5. Step 5: Solve for x
    x = 399,635,865,648.89/722,887.24
  6. Step 6: Final answer
    x = 552,832.92

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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.