Home / 780,415.26-1,170,085.02-307,154.94

Finding the Fourth Proportional to 780,415.26, 1,170,085.02 and 307,154.94

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Solution

The fourth proportional to 780,415.26, 1,170,085.02 and 307,154.94 is: 460,520.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,415.26 : 1,170,085.02 = 307,154.94 : x
  2. Step 2: Convert to fraction form
    780,415.26/1,170,085.02 = 307,154.94/x
  3. Step 3: Cross multiply
    780,415.26x = 1,170,085.02 × 307,154.94
  4. Step 4: Simplify right side
    780,415.26x = 359,397,394,113.00
  5. Step 5: Solve for x
    x = 359,397,394,113.00/780,415.26
  6. Step 6: Final answer
    x = 460,520.72

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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.