Home / 770,860.14-1,155,625.74-297,877.38

Finding the Fourth Proportional to 770,860.14, 1,155,625.74 and 297,877.38

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Solution

The fourth proportional to 770,860.14, 1,155,625.74 and 297,877.38 is: 446,559.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,860.14 : 1,155,625.74 = 297,877.38 : x
  2. Step 2: Convert to fraction form
    770,860.14/1,155,625.74 = 297,877.38/x
  3. Step 3: Cross multiply
    770,860.14x = 1,155,625.74 × 297,877.38
  4. Step 4: Simplify right side
    770,860.14x = 344,234,767,691.76
  5. Step 5: Solve for x
    x = 344,234,767,691.76/770,860.14
  6. Step 6: Final answer
    x = 446,559.30

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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.