Home / 849,143.36-1,273,673.40-316,622.75

Finding the Fourth Proportional to 849,143.36, 1,273,673.40 and 316,622.75

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Solution

The fourth proportional to 849,143.36, 1,273,673.40 and 316,622.75 is: 474,918.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,143.36 : 1,273,673.40 = 316,622.75 : x
  2. Step 2: Convert to fraction form
    849,143.36/1,273,673.40 = 316,622.75/x
  3. Step 3: Cross multiply
    849,143.36x = 1,273,673.40 × 316,622.75
  4. Step 4: Simplify right side
    849,143.36x = 403,273,968,141.48
  5. Step 5: Solve for x
    x = 403,273,968,141.48/849,143.36
  6. Step 6: Final answer
    x = 474,918.59

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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.