Home / 724,279.80-1,086,225.30-303,468.60

Finding the Fourth Proportional to 724,279.80, 1,086,225.30 and 303,468.60

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Solution

The fourth proportional to 724,279.80, 1,086,225.30 and 303,468.60 is: 455,121.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,279.80 : 1,086,225.30 = 303,468.60 : x
  2. Step 2: Convert to fraction form
    724,279.80/1,086,225.30 = 303,468.60/x
  3. Step 3: Cross multiply
    724,279.80x = 1,086,225.30 × 303,468.60
  4. Step 4: Simplify right side
    724,279.80x = 329,635,271,075.58
  5. Step 5: Solve for x
    x = 329,635,271,075.58/724,279.80
  6. Step 6: Final answer
    x = 455,121.45

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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.