Home / 849,429.72-1,273,256.10-316,719

Finding the Fourth Proportional to 849,429.72, 1,273,256.10 and 316,719

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Solution

The fourth proportional to 849,429.72, 1,273,256.10 and 316,719 is: 474,747.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,429.72 : 1,273,256.10 = 316,719 : x
  2. Step 2: Convert to fraction form
    849,429.72/1,273,256.10 = 316,719/x
  3. Step 3: Cross multiply
    849,429.72x = 1,273,256.10 × 316,719
  4. Step 4: Simplify right side
    849,429.72x = 403,264,398,735.90
  5. Step 5: Solve for x
    x = 403,264,398,735.90/849,429.72
  6. Step 6: Final answer
    x = 474,747.22

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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.