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Finding the Fourth Proportional to 603,428.34, 832,361.75 and 358,246.70

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Solution

The fourth proportional to 603,428.34, 832,361.75 and 358,246.70 is: 494,161.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,428.34 : 832,361.75 = 358,246.70 : x
  2. Step 2: Convert to fraction form
    603,428.34/832,361.75 = 358,246.70/x
  3. Step 3: Cross multiply
    603,428.34x = 832,361.75 × 358,246.70
  4. Step 4: Simplify right side
    603,428.34x = 298,190,844,190.68
  5. Step 5: Solve for x
    x = 298,190,844,190.68/603,428.34
  6. Step 6: Final answer
    x = 494,161.15

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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.