Home / 958,779.70-1,438,811.06-397,814.20

Finding the Fourth Proportional to 958,779.70, 1,438,811.06 and 397,814.20

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Solution

The fourth proportional to 958,779.70, 1,438,811.06 and 397,814.20 is: 596,987.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,779.70 : 1,438,811.06 = 397,814.20 : x
  2. Step 2: Convert to fraction form
    958,779.70/1,438,811.06 = 397,814.20/x
  3. Step 3: Cross multiply
    958,779.70x = 1,438,811.06 × 397,814.20
  4. Step 4: Simplify right side
    958,779.70x = 572,379,470,785.05
  5. Step 5: Solve for x
    x = 572,379,470,785.05/958,779.70
  6. Step 6: Final answer
    x = 596,987.47

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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.