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Finding the Fourth Proportional to 722,549.07, 997,104.66 and 400,258.17

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Solution

The fourth proportional to 722,549.07, 997,104.66 and 400,258.17 is: 552,349.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,549.07 : 997,104.66 = 400,258.17 : x
  2. Step 2: Convert to fraction form
    722,549.07/997,104.66 = 400,258.17/x
  3. Step 3: Cross multiply
    722,549.07x = 997,104.66 × 400,258.17
  4. Step 4: Simplify right side
    722,549.07x = 399,099,286,510.07
  5. Step 5: Solve for x
    x = 399,099,286,510.07/722,549.07
  6. Step 6: Final answer
    x = 552,349.04

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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.