Home / 785,645.72-1,177,554.59-448,922.44

Finding the Fourth Proportional to 785,645.72, 1,177,554.59 and 448,922.44

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Solution

The fourth proportional to 785,645.72, 1,177,554.59 and 448,922.44 is: 672,861.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,645.72 : 1,177,554.59 = 448,922.44 : x
  2. Step 2: Convert to fraction form
    785,645.72/1,177,554.59 = 448,922.44/x
  3. Step 3: Cross multiply
    785,645.72x = 1,177,554.59 × 448,922.44
  4. Step 4: Simplify right side
    785,645.72x = 528,630,679,776.00
  5. Step 5: Solve for x
    x = 528,630,679,776.00/785,645.72
  6. Step 6: Final answer
    x = 672,861.40

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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.