Home / 790,357.48-1,090,702.02-450,845.80

Finding the Fourth Proportional to 790,357.48, 1,090,702.02 and 450,845.80

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Solution

The fourth proportional to 790,357.48, 1,090,702.02 and 450,845.80 is: 622,172.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,357.48 : 1,090,702.02 = 450,845.80 : x
  2. Step 2: Convert to fraction form
    790,357.48/1,090,702.02 = 450,845.80/x
  3. Step 3: Cross multiply
    790,357.48x = 1,090,702.02 × 450,845.80
  4. Step 4: Simplify right side
    790,357.48x = 491,738,424,768.52
  5. Step 5: Solve for x
    x = 491,738,424,768.52/790,357.48
  6. Step 6: Final answer
    x = 622,172.17

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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.