Home / 889,924.80-1,334,297.60-490,756.80

Finding the Fourth Proportional to 889,924.80, 1,334,297.60 and 490,756.80

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Solution

The fourth proportional to 889,924.80, 1,334,297.60 and 490,756.80 is: 735,810.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,924.80 : 1,334,297.60 = 490,756.80 : x
  2. Step 2: Convert to fraction form
    889,924.80/1,334,297.60 = 490,756.80/x
  3. Step 3: Cross multiply
    889,924.80x = 1,334,297.60 × 490,756.80
  4. Step 4: Simplify right side
    889,924.80x = 654,815,620,423.68
  5. Step 5: Solve for x
    x = 654,815,620,423.68/889,924.80
  6. Step 6: Final answer
    x = 735,810.06

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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.