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Finding the Fourth Proportional to 668,389.98, 922,378.42 and 362,466.26

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Solution

The fourth proportional to 668,389.98, 922,378.42 and 362,466.26 is: 500,203.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,389.98 : 922,378.42 = 362,466.26 : x
  2. Step 2: Convert to fraction form
    668,389.98/922,378.42 = 362,466.26/x
  3. Step 3: Cross multiply
    668,389.98x = 922,378.42 × 362,466.26
  4. Step 4: Simplify right side
    668,389.98x = 334,331,056,202.11
  5. Step 5: Solve for x
    x = 334,331,056,202.11/668,389.98
  6. Step 6: Final answer
    x = 500,203.57

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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.