Home / 737,779.70-1,106,669.55-513,830.90

Finding the Fourth Proportional to 737,779.70, 1,106,669.55 and 513,830.90

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Solution

The fourth proportional to 737,779.70, 1,106,669.55 and 513,830.90 is: 770,746.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,779.70 : 1,106,669.55 = 513,830.90 : x
  2. Step 2: Convert to fraction form
    737,779.70/1,106,669.55 = 513,830.90/x
  3. Step 3: Cross multiply
    737,779.70x = 1,106,669.55 × 513,830.90
  4. Step 4: Simplify right side
    737,779.70x = 568,641,010,879.10
  5. Step 5: Solve for x
    x = 568,641,010,879.10/737,779.70
  6. Step 6: Final answer
    x = 770,746.35

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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.