Home / 722,882.03-997,582.97-400,597.47

Finding the Fourth Proportional to 722,882.03, 997,582.97 and 400,597.47

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Solution

The fourth proportional to 722,882.03, 997,582.97 and 400,597.47 is: 552,827.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,882.03 : 997,582.97 = 400,597.47 : x
  2. Step 2: Convert to fraction form
    722,882.03/997,582.97 = 400,597.47/x
  3. Step 3: Cross multiply
    722,882.03x = 997,582.97 × 400,597.47
  4. Step 4: Simplify right side
    722,882.03x = 399,629,214,898.58
  5. Step 5: Solve for x
    x = 399,629,214,898.58/722,882.03
  6. Step 6: Final answer
    x = 552,827.71

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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.