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Finding the Fourth Proportional to 622,235.16, 933,374.60 and 355,873.14

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Solution

The fourth proportional to 622,235.16, 933,374.60 and 355,873.14 is: 533,822.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,235.16 : 933,374.60 = 355,873.14 : x
  2. Step 2: Convert to fraction form
    622,235.16/933,374.60 = 355,873.14/x
  3. Step 3: Cross multiply
    622,235.16x = 933,374.60 × 355,873.14
  4. Step 4: Simplify right side
    622,235.16x = 332,162,950,587.93
  5. Step 5: Solve for x
    x = 332,162,950,587.93/622,235.16
  6. Step 6: Final answer
    x = 533,822.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.