Home / 722,884.24-997,582.56-400,599.64

Finding the Fourth Proportional to 722,884.24, 997,582.56 and 400,599.64

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Solution

The fourth proportional to 722,884.24, 997,582.56 and 400,599.64 is: 552,828.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,884.24 : 997,582.56 = 400,599.64 : x
  2. Step 2: Convert to fraction form
    722,884.24/997,582.56 = 400,599.64/x
  3. Step 3: Cross multiply
    722,884.24x = 997,582.56 × 400,599.64
  4. Step 4: Simplify right side
    722,884.24x = 399,631,214,406.28
  5. Step 5: Solve for x
    x = 399,631,214,406.28/722,884.24
  6. Step 6: Final answer
    x = 552,828.78

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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.