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Finding the Fourth Proportional to 628,265.60, 877,705.60 and 628,265.60

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Solution

The fourth proportional to 628,265.60, 877,705.60 and 628,265.60 is: 877,705.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,265.60 : 877,705.60 = 628,265.60 : x
  2. Step 2: Convert to fraction form
    628,265.60/877,705.60 = 628,265.60/x
  3. Step 3: Cross multiply
    628,265.60x = 877,705.60 × 628,265.60
  4. Step 4: Simplify right side
    628,265.60x = 551,432,235,407.36
  5. Step 5: Solve for x
    x = 551,432,235,407.36/628,265.60
  6. Step 6: Final answer
    x = 877,705.60

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Why These Related Problems?

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