Home / 722,873.25-997,586.96-400,553.19

Finding the Fourth Proportional to 722,873.25, 997,586.96 and 400,553.19

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Solution

The fourth proportional to 722,873.25, 997,586.96 and 400,553.19 is: 552,775.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,873.25 : 997,586.96 = 400,553.19 : x
  2. Step 2: Convert to fraction form
    722,873.25/997,586.96 = 400,553.19/x
  3. Step 3: Cross multiply
    722,873.25x = 997,586.96 × 400,553.19
  4. Step 4: Simplify right side
    722,873.25x = 399,586,637,127.64
  5. Step 5: Solve for x
    x = 399,586,637,127.64/722,873.25
  6. Step 6: Final answer
    x = 552,775.52

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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.