Home / 837,779.81-1,156,147.97-455,806.89

Finding the Fourth Proportional to 837,779.81, 1,156,147.97 and 455,806.89

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Solution

The fourth proportional to 837,779.81, 1,156,147.97 and 455,806.89 is: 629,019.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,779.81 : 1,156,147.97 = 455,806.89 : x
  2. Step 2: Convert to fraction form
    837,779.81/1,156,147.97 = 455,806.89/x
  3. Step 3: Cross multiply
    837,779.81x = 1,156,147.97 × 455,806.89
  4. Step 4: Simplify right side
    837,779.81x = 526,980,208,306.48
  5. Step 5: Solve for x
    x = 526,980,208,306.48/837,779.81
  6. Step 6: Final answer
    x = 629,019.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.