Home / 989,600.64-1,482,704.34-664,779.98

Finding the Fourth Proportional to 989,600.64, 1,482,704.34 and 664,779.98

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Solution

The fourth proportional to 989,600.64, 1,482,704.34 and 664,779.98 is: 996,030.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,600.64 : 1,482,704.34 = 664,779.98 : x
  2. Step 2: Convert to fraction form
    989,600.64/1,482,704.34 = 664,779.98/x
  3. Step 3: Cross multiply
    989,600.64x = 1,482,704.34 × 664,779.98
  4. Step 4: Simplify right side
    989,600.64x = 985,672,161,491.11
  5. Step 5: Solve for x
    x = 985,672,161,491.11/989,600.64
  6. Step 6: Final answer
    x = 996,030.24

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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.