Home / 578,049.60-867,074.40-223,075.20

Finding the Fourth Proportional to 578,049.60, 867,074.40 and 223,075.20

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Solution

The fourth proportional to 578,049.60, 867,074.40 and 223,075.20 is: 334,612.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,049.60 : 867,074.40 = 223,075.20 : x
  2. Step 2: Convert to fraction form
    578,049.60/867,074.40 = 223,075.20/x
  3. Step 3: Cross multiply
    578,049.60x = 867,074.40 × 223,075.20
  4. Step 4: Simplify right side
    578,049.60x = 193,422,795,194.88
  5. Step 5: Solve for x
    x = 193,422,795,194.88/578,049.60
  6. Step 6: Final answer
    x = 334,612.80

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Double scale
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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.