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Finding the Fourth Proportional to 525,126.08, 724,690.68 and 298,786.16

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Solution

The fourth proportional to 525,126.08, 724,690.68 and 298,786.16 is: 412,334.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,126.08 : 724,690.68 = 298,786.16 : x
  2. Step 2: Convert to fraction form
    525,126.08/724,690.68 = 298,786.16/x
  3. Step 3: Cross multiply
    525,126.08x = 724,690.68 × 298,786.16
  4. Step 4: Simplify right side
    525,126.08x = 216,527,545,464.99
  5. Step 5: Solve for x
    x = 216,527,545,464.99/525,126.08
  6. Step 6: Final answer
    x = 412,334.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.