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Finding the Fourth Proportional to 557,673.36, 769,792.32 and 343,101.12

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Solution

The fourth proportional to 557,673.36, 769,792.32 and 343,101.12 is: 473,604.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,673.36 : 769,792.32 = 343,101.12 : x
  2. Step 2: Convert to fraction form
    557,673.36/769,792.32 = 343,101.12/x
  3. Step 3: Cross multiply
    557,673.36x = 769,792.32 × 343,101.12
  4. Step 4: Simplify right side
    557,673.36x = 264,116,607,159.40
  5. Step 5: Solve for x
    x = 264,116,607,159.40/557,673.36
  6. Step 6: Final answer
    x = 473,604.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.