Home / 889,923.80-1,334,296.10-490,755.80

Finding the Fourth Proportional to 889,923.80, 1,334,296.10 and 490,755.80

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Solution

The fourth proportional to 889,923.80, 1,334,296.10 and 490,755.80 is: 735,808.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,923.80 : 1,334,296.10 = 490,755.80 : x
  2. Step 2: Convert to fraction form
    889,923.80/1,334,296.10 = 490,755.80/x
  3. Step 3: Cross multiply
    889,923.80x = 1,334,296.10 × 490,755.80
  4. Step 4: Simplify right side
    889,923.80x = 654,813,549,992.38
  5. Step 5: Solve for x
    x = 654,813,549,992.38/889,923.80
  6. Step 6: Final answer
    x = 735,808.56

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Double scale
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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.