Home / 799,779.08-1,103,702.49-455,609.91

Finding the Fourth Proportional to 799,779.08, 1,103,702.49 and 455,609.91

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Solution

The fourth proportional to 799,779.08, 1,103,702.49 and 455,609.91 is: 628,745.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,779.08 : 1,103,702.49 = 455,609.91 : x
  2. Step 2: Convert to fraction form
    799,779.08/1,103,702.49 = 455,609.91/x
  3. Step 3: Cross multiply
    799,779.08x = 1,103,702.49 × 455,609.91
  4. Step 4: Simplify right side
    799,779.08x = 502,857,792,135.68
  5. Step 5: Solve for x
    x = 502,857,792,135.68/799,779.08
  6. Step 6: Final answer
    x = 628,745.87

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1.5x scale

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.