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Finding the Fourth Proportional to 722,544.57, 997,098.46 and 400,253.67

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Solution

The fourth proportional to 722,544.57, 997,098.46 and 400,253.67 is: 552,342.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,544.57 : 997,098.46 = 400,253.67 : x
  2. Step 2: Convert to fraction form
    722,544.57/997,098.46 = 400,253.67/x
  3. Step 3: Cross multiply
    722,544.57x = 997,098.46 × 400,253.67
  4. Step 4: Simplify right side
    722,544.57x = 399,092,316,965.71
  5. Step 5: Solve for x
    x = 399,092,316,965.71/722,544.57
  6. Step 6: Final answer
    x = 552,342.84

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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.