Home / 769,794.60-1,152,504.90-727,901.40

Finding the Fourth Proportional to 769,794.60, 1,152,504.90 and 727,901.40

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Solution

The fourth proportional to 769,794.60, 1,152,504.90 and 727,901.40 is: 1,089,784.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,794.60 : 1,152,504.90 = 727,901.40 : x
  2. Step 2: Convert to fraction form
    769,794.60/1,152,504.90 = 727,901.40/x
  3. Step 3: Cross multiply
    769,794.60x = 1,152,504.90 × 727,901.40
  4. Step 4: Simplify right side
    769,794.60x = 838,909,930,216.86
  5. Step 5: Solve for x
    x = 838,909,930,216.86/769,794.60
  6. Step 6: Final answer
    x = 1,089,784.12

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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.