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Finding the Fourth Proportional to 554,663.58, 830,362.41 and 343,622.94

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Solution

The fourth proportional to 554,663.58, 830,362.41 and 343,622.94 is: 514,422.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,663.58 : 830,362.41 = 343,622.94 : x
  2. Step 2: Convert to fraction form
    554,663.58/830,362.41 = 343,622.94/x
  3. Step 3: Cross multiply
    554,663.58x = 830,362.41 × 343,622.94
  4. Step 4: Simplify right side
    554,663.58x = 285,331,572,589.69
  5. Step 5: Solve for x
    x = 285,331,572,589.69/554,663.58
  6. Step 6: Final answer
    x = 514,422.77

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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.