Home / 849,189.78-1,273,784.76-218,104.20

Finding the Fourth Proportional to 849,189.78, 1,273,784.76 and 218,104.20

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Solution

The fourth proportional to 849,189.78, 1,273,784.76 and 218,104.20 is: 327,156.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,189.78 : 1,273,784.76 = 218,104.20 : x
  2. Step 2: Convert to fraction form
    849,189.78/1,273,784.76 = 218,104.20/x
  3. Step 3: Cross multiply
    849,189.78x = 1,273,784.76 × 218,104.20
  4. Step 4: Simplify right side
    849,189.78x = 277,817,806,051.99
  5. Step 5: Solve for x
    x = 277,817,806,051.99/849,189.78
  6. Step 6: Final answer
    x = 327,156.32

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Double scale
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1.5x scale

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.