Home / 849,384.06-1,274,078.74-209,687.87

Finding the Fourth Proportional to 849,384.06, 1,274,078.74 and 209,687.87

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Solution

The fourth proportional to 849,384.06, 1,274,078.74 and 209,687.87 is: 314,532.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,384.06 : 1,274,078.74 = 209,687.87 : x
  2. Step 2: Convert to fraction form
    849,384.06/1,274,078.74 = 209,687.87/x
  3. Step 3: Cross multiply
    849,384.06x = 1,274,078.74 × 209,687.87
  4. Step 4: Simplify right side
    849,384.06x = 267,158,849,784.05
  5. Step 5: Solve for x
    x = 267,158,849,784.05/849,384.06
  6. Step 6: Final answer
    x = 314,532.45

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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.