Home / 788,556.60-1,182,834.90-490,930.20

Finding the Fourth Proportional to 788,556.60, 1,182,834.90 and 490,930.20

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Solution

The fourth proportional to 788,556.60, 1,182,834.90 and 490,930.20 is: 736,395.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,556.60 : 1,182,834.90 = 490,930.20 : x
  2. Step 2: Convert to fraction form
    788,556.60/1,182,834.90 = 490,930.20/x
  3. Step 3: Cross multiply
    788,556.60x = 1,182,834.90 × 490,930.20
  4. Step 4: Simplify right side
    788,556.60x = 580,689,374,023.98
  5. Step 5: Solve for x
    x = 580,689,374,023.98/788,556.60
  6. Step 6: Final answer
    x = 736,395.30

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Similar ratio
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1.5x scale

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.