Home / 808,848.60-1,212,689.70-528,523.80

Finding the Fourth Proportional to 808,848.60, 1,212,689.70 and 528,523.80

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Solution

The fourth proportional to 808,848.60, 1,212,689.70 and 528,523.80 is: 792,404.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,848.60 : 1,212,689.70 = 528,523.80 : x
  2. Step 2: Convert to fraction form
    808,848.60/1,212,689.70 = 528,523.80/x
  3. Step 3: Cross multiply
    808,848.60x = 1,212,689.70 × 528,523.80
  4. Step 4: Simplify right side
    808,848.60x = 640,935,368,464.86
  5. Step 5: Solve for x
    x = 640,935,368,464.86/808,848.60
  6. Step 6: Final answer
    x = 792,404.62

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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.