Home / 849,642.89-1,274,489.90-209,946.59

Finding the Fourth Proportional to 849,642.89, 1,274,489.90 and 209,946.59

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Solution

The fourth proportional to 849,642.89, 1,274,489.90 and 209,946.59 is: 314,926.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,642.89 : 1,274,489.90 = 209,946.59 : x
  2. Step 2: Convert to fraction form
    849,642.89/1,274,489.90 = 209,946.59/x
  3. Step 3: Cross multiply
    849,642.89x = 1,274,489.90 × 209,946.59
  4. Step 4: Simplify right side
    849,642.89x = 267,574,801,072.26
  5. Step 5: Solve for x
    x = 267,574,801,072.26/849,642.89
  6. Step 6: Final answer
    x = 314,926.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.