Home / 963,759.20-1,445,638.80-515,861.60

Finding the Fourth Proportional to 963,759.20, 1,445,638.80 and 515,861.60

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Solution

The fourth proportional to 963,759.20, 1,445,638.80 and 515,861.60 is: 773,792.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,759.20 : 1,445,638.80 = 515,861.60 : x
  2. Step 2: Convert to fraction form
    963,759.20/1,445,638.80 = 515,861.60/x
  3. Step 3: Cross multiply
    963,759.20x = 1,445,638.80 × 515,861.60
  4. Step 4: Simplify right side
    963,759.20x = 745,749,544,390.08
  5. Step 5: Solve for x
    x = 745,749,544,390.08/963,759.20
  6. Step 6: Final answer
    x = 773,792.40

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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.