Home / 717,333.80-1,076,000.70-663,266.60

Finding the Fourth Proportional to 717,333.80, 1,076,000.70 and 663,266.60

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Solution

The fourth proportional to 717,333.80, 1,076,000.70 and 663,266.60 is: 994,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,333.80 : 1,076,000.70 = 663,266.60 : x
  2. Step 2: Convert to fraction form
    717,333.80/1,076,000.70 = 663,266.60/x
  3. Step 3: Cross multiply
    717,333.80x = 1,076,000.70 × 663,266.60
  4. Step 4: Simplify right side
    717,333.80x = 713,675,325,886.62
  5. Step 5: Solve for x
    x = 713,675,325,886.62/717,333.80
  6. Step 6: Final answer
    x = 994,899.90

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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.