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Finding the Fourth Proportional to 522,518.64, 783,679.53 and 202,669.89

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Solution

The fourth proportional to 522,518.64, 783,679.53 and 202,669.89 is: 303,966.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,518.64 : 783,679.53 = 202,669.89 : x
  2. Step 2: Convert to fraction form
    522,518.64/783,679.53 = 202,669.89/x
  3. Step 3: Cross multiply
    522,518.64x = 783,679.53 × 202,669.89
  4. Step 4: Simplify right side
    522,518.64x = 158,828,244,140.35
  5. Step 5: Solve for x
    x = 158,828,244,140.35/522,518.64
  6. Step 6: Final answer
    x = 303,966.66

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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.