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Finding the Fourth Proportional to 553,684.80, 775,683.60 and 553,684.80

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Solution

The fourth proportional to 553,684.80, 775,683.60 and 553,684.80 is: 775,683.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,684.80 : 775,683.60 = 553,684.80 : x
  2. Step 2: Convert to fraction form
    553,684.80/775,683.60 = 553,684.80/x
  3. Step 3: Cross multiply
    553,684.80x = 775,683.60 × 553,684.80
  4. Step 4: Simplify right side
    553,684.80x = 429,484,218,929.28
  5. Step 5: Solve for x
    x = 429,484,218,929.28/553,684.80
  6. Step 6: Final answer
    x = 775,683.60

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.