Home / 780,861.60-1,171,292.40-514,922.40

Finding the Fourth Proportional to 780,861.60, 1,171,292.40 and 514,922.40

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Solution

The fourth proportional to 780,861.60, 1,171,292.40 and 514,922.40 is: 772,383.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,861.60 : 1,171,292.40 = 514,922.40 : x
  2. Step 2: Convert to fraction form
    780,861.60/1,171,292.40 = 514,922.40/x
  3. Step 3: Cross multiply
    780,861.60x = 1,171,292.40 × 514,922.40
  4. Step 4: Simplify right side
    780,861.60x = 603,124,693,709.76
  5. Step 5: Solve for x
    x = 603,124,693,709.76/780,861.60
  6. Step 6: Final answer
    x = 772,383.60

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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.