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Finding the Fourth Proportional to 435,089.94, 599,305.41 and 307,546.26

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Solution

The fourth proportional to 435,089.94, 599,305.41 and 307,546.26 is: 423,623.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,089.94 : 599,305.41 = 307,546.26 : x
  2. Step 2: Convert to fraction form
    435,089.94/599,305.41 = 307,546.26/x
  3. Step 3: Cross multiply
    435,089.94x = 599,305.41 × 307,546.26
  4. Step 4: Simplify right side
    435,089.94x = 184,314,137,443.27
  5. Step 5: Solve for x
    x = 184,314,137,443.27/435,089.94
  6. Step 6: Final answer
    x = 423,623.07

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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.