Home / 722,885.19-997,587.14-400,600.50

Finding the Fourth Proportional to 722,885.19, 997,587.14 and 400,600.50

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Solution

The fourth proportional to 722,885.19, 997,587.14 and 400,600.50 is: 552,831.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,885.19 : 997,587.14 = 400,600.50 : x
  2. Step 2: Convert to fraction form
    722,885.19/997,587.14 = 400,600.50/x
  3. Step 3: Cross multiply
    722,885.19x = 997,587.14 × 400,600.50
  4. Step 4: Simplify right side
    722,885.19x = 399,633,905,074.57
  5. Step 5: Solve for x
    x = 399,633,905,074.57/722,885.19
  6. Step 6: Final answer
    x = 552,831.78

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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.