Home / 768,554.40-1,152,829.15-207,588.90

Finding the Fourth Proportional to 768,554.40, 1,152,829.15 and 207,588.90

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Solution

The fourth proportional to 768,554.40, 1,152,829.15 and 207,588.90 is: 311,382.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,554.40 : 1,152,829.15 = 207,588.90 : x
  2. Step 2: Convert to fraction form
    768,554.40/1,152,829.15 = 207,588.90/x
  3. Step 3: Cross multiply
    768,554.40x = 1,152,829.15 × 207,588.90
  4. Step 4: Simplify right side
    768,554.40x = 239,314,535,136.44
  5. Step 5: Solve for x
    x = 239,314,535,136.44/768,554.40
  6. Step 6: Final answer
    x = 311,382.69

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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.