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Finding the Fourth Proportional to 553,321.90, 828,816.45 and 553,321.90

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Solution

The fourth proportional to 553,321.90, 828,816.45 and 553,321.90 is: 828,816.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,321.90 : 828,816.45 = 553,321.90 : x
  2. Step 2: Convert to fraction form
    553,321.90/828,816.45 = 553,321.90/x
  3. Step 3: Cross multiply
    553,321.90x = 828,816.45 × 553,321.90
  4. Step 4: Simplify right side
    553,321.90x = 458,602,292,865.26
  5. Step 5: Solve for x
    x = 458,602,292,865.26/553,321.90
  6. Step 6: Final answer
    x = 828,816.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.