Home / 770,454.12-1,154,631.42-371,065.80

Finding the Fourth Proportional to 770,454.12, 1,154,631.42 and 371,065.80

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Solution

The fourth proportional to 770,454.12, 1,154,631.42 and 371,065.80 is: 556,093.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,454.12 : 1,154,631.42 = 371,065.80 : x
  2. Step 2: Convert to fraction form
    770,454.12/1,154,631.42 = 371,065.80/x
  3. Step 3: Cross multiply
    770,454.12x = 1,154,631.42 × 371,065.80
  4. Step 4: Simplify right side
    770,454.12x = 428,444,231,567.44
  5. Step 5: Solve for x
    x = 428,444,231,567.44/770,454.12
  6. Step 6: Final answer
    x = 556,093.12

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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.