Home / 788,835.20-1,182,561.60-472,956.80

Finding the Fourth Proportional to 788,835.20, 1,182,561.60 and 472,956.80

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Solution

The fourth proportional to 788,835.20, 1,182,561.60 and 472,956.80 is: 709,020.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,835.20 : 1,182,561.60 = 472,956.80 : x
  2. Step 2: Convert to fraction form
    788,835.20/1,182,561.60 = 472,956.80/x
  3. Step 3: Cross multiply
    788,835.20x = 1,182,561.60 × 472,956.80
  4. Step 4: Simplify right side
    788,835.20x = 559,300,550,138.88
  5. Step 5: Solve for x
    x = 559,300,550,138.88/788,835.20
  6. Step 6: Final answer
    x = 709,020.78

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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.