Home / 903,076.51-1,245,315.30-631,045.30

Finding the Fourth Proportional to 903,076.51, 1,245,315.30 and 631,045.30

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Solution

The fourth proportional to 903,076.51, 1,245,315.30 and 631,045.30 is: 870,192.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,076.51 : 1,245,315.30 = 631,045.30 : x
  2. Step 2: Convert to fraction form
    903,076.51/1,245,315.30 = 631,045.30/x
  3. Step 3: Cross multiply
    903,076.51x = 1,245,315.30 × 631,045.30
  4. Step 4: Simplify right side
    903,076.51x = 785,850,367,083.09
  5. Step 5: Solve for x
    x = 785,850,367,083.09/903,076.51
  6. Step 6: Final answer
    x = 870,192.46

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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.