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Finding the Fourth Proportional to 722,026.40, 996,078.48 and 435,558.56

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Solution

The fourth proportional to 722,026.40, 996,078.48 and 435,558.56 is: 600,879.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,026.40 : 996,078.48 = 435,558.56 : x
  2. Step 2: Convert to fraction form
    722,026.40/996,078.48 = 435,558.56/x
  3. Step 3: Cross multiply
    722,026.40x = 996,078.48 × 435,558.56
  4. Step 4: Simplify right side
    722,026.40x = 433,850,508,395.79
  5. Step 5: Solve for x
    x = 433,850,508,395.79/722,026.40
  6. Step 6: Final answer
    x = 600,879.01

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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.