Home / 757,167.35-1,045,004.09-485,541.95

Finding the Fourth Proportional to 757,167.35, 1,045,004.09 and 485,541.95

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Solution

The fourth proportional to 757,167.35, 1,045,004.09 and 485,541.95 is: 670,120.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,167.35 : 1,045,004.09 = 485,541.95 : x
  2. Step 2: Convert to fraction form
    757,167.35/1,045,004.09 = 485,541.95/x
  3. Step 3: Cross multiply
    757,167.35x = 1,045,004.09 × 485,541.95
  4. Step 4: Simplify right side
    757,167.35x = 507,393,315,963.85
  5. Step 5: Solve for x
    x = 507,393,315,963.85/757,167.35
  6. Step 6: Final answer
    x = 670,120.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.