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Finding the Fourth Proportional to 668,228.42, 922,154.72 and 362,314.95

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Solution

The fourth proportional to 668,228.42, 922,154.72 and 362,314.95 is: 499,994.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,228.42 : 922,154.72 = 362,314.95 : x
  2. Step 2: Convert to fraction form
    668,228.42/922,154.72 = 362,314.95/x
  3. Step 3: Cross multiply
    668,228.42x = 922,154.72 × 362,314.95
  4. Step 4: Simplify right side
    668,228.42x = 334,110,439,457.49
  5. Step 5: Solve for x
    x = 334,110,439,457.49/668,228.42
  6. Step 6: Final answer
    x = 499,994.36

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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.