Home / 663,025.80-994,538.70-477,784.20

Finding the Fourth Proportional to 663,025.80, 994,538.70 and 477,784.20

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Solution

The fourth proportional to 663,025.80, 994,538.70 and 477,784.20 is: 716,676.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,025.80 : 994,538.70 = 477,784.20 : x
  2. Step 2: Convert to fraction form
    663,025.80/994,538.70 = 477,784.20/x
  3. Step 3: Cross multiply
    663,025.80x = 994,538.70 × 477,784.20
  4. Step 4: Simplify right side
    663,025.80x = 475,174,877,148.54
  5. Step 5: Solve for x
    x = 475,174,877,148.54/663,025.80
  6. Step 6: Final answer
    x = 716,676.30

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Similar ratio
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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.