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Finding the Fourth Proportional to 554,737.60, 830,000.40 and 368,113.60

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Solution

The fourth proportional to 554,737.60, 830,000.40 and 368,113.60 is: 550,772.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,737.60 : 830,000.40 = 368,113.60 : x
  2. Step 2: Convert to fraction form
    554,737.60/830,000.40 = 368,113.60/x
  3. Step 3: Cross multiply
    554,737.60x = 830,000.40 × 368,113.60
  4. Step 4: Simplify right side
    554,737.60x = 305,534,435,245.44
  5. Step 5: Solve for x
    x = 305,534,435,245.44/554,737.60
  6. Step 6: Final answer
    x = 550,772.90

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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.