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Finding the Fourth Proportional to 575,555.60, 863,722.20 and 375,388.40

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Solution

The fourth proportional to 575,555.60, 863,722.20 and 375,388.40 is: 563,336.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,555.60 : 863,722.20 = 375,388.40 : x
  2. Step 2: Convert to fraction form
    575,555.60/863,722.20 = 375,388.40/x
  3. Step 3: Cross multiply
    575,555.60x = 863,722.20 × 375,388.40
  4. Step 4: Simplify right side
    575,555.60x = 324,231,294,702.48
  5. Step 5: Solve for x
    x = 324,231,294,702.48/575,555.60
  6. Step 6: Final answer
    x = 563,336.18

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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.