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Finding the Fourth Proportional to 668,484.81, 922,506.36 and 362,559.96

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Solution

The fourth proportional to 668,484.81, 922,506.36 and 362,559.96 is: 500,331.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,484.81 : 922,506.36 = 362,559.96 : x
  2. Step 2: Convert to fraction form
    668,484.81/922,506.36 = 362,559.96/x
  3. Step 3: Cross multiply
    668,484.81x = 922,506.36 × 362,559.96
  4. Step 4: Simplify right side
    668,484.81x = 334,463,868,981.35
  5. Step 5: Solve for x
    x = 334,463,868,981.35/668,484.81
  6. Step 6: Final answer
    x = 500,331.29

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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.