Home / 681,030.79-939,828.84-375,108.27

Finding the Fourth Proportional to 681,030.79, 939,828.84 and 375,108.27

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Solution

The fourth proportional to 681,030.79, 939,828.84 and 375,108.27 is: 517,652.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,030.79 : 939,828.84 = 375,108.27 : x
  2. Step 2: Convert to fraction form
    681,030.79/939,828.84 = 375,108.27/x
  3. Step 3: Cross multiply
    681,030.79x = 939,828.84 × 375,108.27
  4. Step 4: Simplify right side
    681,030.79x = 352,537,570,268.51
  5. Step 5: Solve for x
    x = 352,537,570,268.51/681,030.79
  6. Step 6: Final answer
    x = 517,652.91

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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.