Home / 757,904.19-1,137,450.27-528,709.02

Finding the Fourth Proportional to 757,904.19, 1,137,450.27 and 528,709.02

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Solution

The fourth proportional to 757,904.19, 1,137,450.27 and 528,709.02 is: 793,477.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,904.19 : 1,137,450.27 = 528,709.02 : x
  2. Step 2: Convert to fraction form
    757,904.19/1,137,450.27 = 528,709.02/x
  3. Step 3: Cross multiply
    757,904.19x = 1,137,450.27 × 528,709.02
  4. Step 4: Simplify right side
    757,904.19x = 601,380,217,550.44
  5. Step 5: Solve for x
    x = 601,380,217,550.44/757,904.19
  6. Step 6: Final answer
    x = 793,477.89

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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.