Home / 680,986.71-939,750.08-375,091.74

Finding the Fourth Proportional to 680,986.71, 939,750.08 and 375,091.74

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Solution

The fourth proportional to 680,986.71, 939,750.08 and 375,091.74 is: 517,620.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,986.71 : 939,750.08 = 375,091.74 : x
  2. Step 2: Convert to fraction form
    680,986.71/939,750.08 = 375,091.74/x
  3. Step 3: Cross multiply
    680,986.71x = 939,750.08 × 375,091.74
  4. Step 4: Simplify right side
    680,986.71x = 352,492,490,796.88
  5. Step 5: Solve for x
    x = 352,492,490,796.88/680,986.71
  6. Step 6: Final answer
    x = 517,620.22

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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.