Home / 758,399.87-1,137,602.93-189,779.42

Finding the Fourth Proportional to 758,399.87, 1,137,602.93 and 189,779.42

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Solution

The fourth proportional to 758,399.87, 1,137,602.93 and 189,779.42 is: 284,669.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,399.87 : 1,137,602.93 = 189,779.42 : x
  2. Step 2: Convert to fraction form
    758,399.87/1,137,602.93 = 189,779.42/x
  3. Step 3: Cross multiply
    758,399.87x = 1,137,602.93 × 189,779.42
  4. Step 4: Simplify right side
    758,399.87x = 215,893,626,140.81
  5. Step 5: Solve for x
    x = 215,893,626,140.81/758,399.87
  6. Step 6: Final answer
    x = 284,669.91

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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.