Home / 770,014.67-1,154,207.48-290,034.77

Finding the Fourth Proportional to 770,014.67, 1,154,207.48 and 290,034.77

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Solution

The fourth proportional to 770,014.67, 1,154,207.48 and 290,034.77 is: 434,745.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,014.67 : 1,154,207.48 = 290,034.77 : x
  2. Step 2: Convert to fraction form
    770,014.67/1,154,207.48 = 290,034.77/x
  3. Step 3: Cross multiply
    770,014.67x = 1,154,207.48 × 290,034.77
  4. Step 4: Simplify right side
    770,014.67x = 334,760,293,772.87
  5. Step 5: Solve for x
    x = 334,760,293,772.87/770,014.67
  6. Step 6: Final answer
    x = 434,745.35

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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.