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Finding the Fourth Proportional to 609,068.04, 840,320.67 and 354,370.02

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Solution

The fourth proportional to 609,068.04, 840,320.67 and 354,370.02 is: 488,918.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,068.04 : 840,320.67 = 354,370.02 : x
  2. Step 2: Convert to fraction form
    609,068.04/840,320.67 = 354,370.02/x
  3. Step 3: Cross multiply
    609,068.04x = 840,320.67 × 354,370.02
  4. Step 4: Simplify right side
    609,068.04x = 297,784,452,634.31
  5. Step 5: Solve for x
    x = 297,784,452,634.31/609,068.04
  6. Step 6: Final answer
    x = 488,918.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.