Home / 770,970.26-1,155,790.24-371,060.84

Finding the Fourth Proportional to 770,970.26, 1,155,790.24 and 371,060.84

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Solution

The fourth proportional to 770,970.26, 1,155,790.24 and 371,060.84 is: 556,271.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,970.26 : 1,155,790.24 = 371,060.84 : x
  2. Step 2: Convert to fraction form
    770,970.26/1,155,790.24 = 371,060.84/x
  3. Step 3: Cross multiply
    770,970.26x = 1,155,790.24 × 371,060.84
  4. Step 4: Simplify right side
    770,970.26x = 428,868,497,318.20
  5. Step 5: Solve for x
    x = 428,868,497,318.20/770,970.26
  6. Step 6: Final answer
    x = 556,271.13

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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.