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Finding the Fourth Proportional to 557,552.26, 769,420.11 and 302,901.22

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Solution

The fourth proportional to 557,552.26, 769,420.11 and 302,901.22 is: 418,002.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,552.26 : 769,420.11 = 302,901.22 : x
  2. Step 2: Convert to fraction form
    557,552.26/769,420.11 = 302,901.22/x
  3. Step 3: Cross multiply
    557,552.26x = 769,420.11 × 302,901.22
  4. Step 4: Simplify right side
    557,552.26x = 233,058,290,011.53
  5. Step 5: Solve for x
    x = 233,058,290,011.53/557,552.26
  6. Step 6: Final answer
    x = 418,002.59

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1.5x scale

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.