Home / 722,944.71-997,663.68-400,703.22

Finding the Fourth Proportional to 722,944.71, 997,663.68 and 400,703.22

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Solution

The fourth proportional to 722,944.71, 997,663.68 and 400,703.22 is: 552,970.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,944.71 : 997,663.68 = 400,703.22 : x
  2. Step 2: Convert to fraction form
    722,944.71/997,663.68 = 400,703.22/x
  3. Step 3: Cross multiply
    722,944.71x = 997,663.68 × 400,703.22
  4. Step 4: Simplify right side
    722,944.71x = 399,767,049,053.05
  5. Step 5: Solve for x
    x = 399,767,049,053.05/722,944.71
  6. Step 6: Final answer
    x = 552,970.43

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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.