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Finding the Fourth Proportional to 722,473.52, 997,013.53 and 400,204.49

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Solution

The fourth proportional to 722,473.52, 997,013.53 and 400,204.49 is: 552,282.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,473.52 : 997,013.53 = 400,204.49 : x
  2. Step 2: Convert to fraction form
    722,473.52/997,013.53 = 400,204.49/x
  3. Step 3: Cross multiply
    722,473.52x = 997,013.53 × 400,204.49
  4. Step 4: Simplify right side
    722,473.52x = 399,009,291,296.75
  5. Step 5: Solve for x
    x = 399,009,291,296.75/722,473.52
  6. Step 6: Final answer
    x = 552,282.24

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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.