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Finding the Fourth Proportional to 553,361.60, 830,042.40 and 553,361.60

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Solution

The fourth proportional to 553,361.60, 830,042.40 and 553,361.60 is: 830,042.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,361.60 : 830,042.40 = 553,361.60 : x
  2. Step 2: Convert to fraction form
    553,361.60/830,042.40 = 553,361.60/x
  3. Step 3: Cross multiply
    553,361.60x = 830,042.40 × 553,361.60
  4. Step 4: Simplify right side
    553,361.60x = 459,313,590,531.84
  5. Step 5: Solve for x
    x = 459,313,590,531.84/553,361.60
  6. Step 6: Final answer
    x = 830,042.40

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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.