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Finding the Fourth Proportional to 907,069.60, 1,360,801.20 and 275,967

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Solution

The fourth proportional to 907,069.60, 1,360,801.20 and 275,967 is: 414,010.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,069.60 : 1,360,801.20 = 275,967 : x
  2. Step 2: Convert to fraction form
    907,069.60/1,360,801.20 = 275,967/x
  3. Step 3: Cross multiply
    907,069.60x = 1,360,801.20 × 275,967
  4. Step 4: Simplify right side
    907,069.60x = 375,536,224,760.40
  5. Step 5: Solve for x
    x = 375,536,224,760.40/907,069.60
  6. Step 6: Final answer
    x = 414,010.37

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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.