Home / 673,986.80-1,010,980.20-650,367.20

Finding the Fourth Proportional to 673,986.80, 1,010,980.20 and 650,367.20

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Solution

The fourth proportional to 673,986.80, 1,010,980.20 and 650,367.20 is: 975,550.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,986.80 : 1,010,980.20 = 650,367.20 : x
  2. Step 2: Convert to fraction form
    673,986.80/1,010,980.20 = 650,367.20/x
  3. Step 3: Cross multiply
    673,986.80x = 1,010,980.20 × 650,367.20
  4. Step 4: Simplify right side
    673,986.80x = 657,508,361,929.44
  5. Step 5: Solve for x
    x = 657,508,361,929.44/673,986.80
  6. Step 6: Final answer
    x = 975,550.80

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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.