Home / 488,719.80-733,079.70-453,290.40

Finding the Fourth Proportional to 488,719.80, 733,079.70 and 453,290.40

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Solution

The fourth proportional to 488,719.80, 733,079.70 and 453,290.40 is: 679,935.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,719.80 : 733,079.70 = 453,290.40 : x
  2. Step 2: Convert to fraction form
    488,719.80/733,079.70 = 453,290.40/x
  3. Step 3: Cross multiply
    488,719.80x = 733,079.70 × 453,290.40
  4. Step 4: Simplify right side
    488,719.80x = 332,297,990,444.88
  5. Step 5: Solve for x
    x = 332,297,990,444.88/488,719.80
  6. Step 6: Final answer
    x = 679,935.60

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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.