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Finding the Fourth Proportional to 609,065.04, 840,316.53 and 354,367.02

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Solution

The fourth proportional to 609,065.04, 840,316.53 and 354,367.02 is: 488,914.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,065.04 : 840,316.53 = 354,367.02 : x
  2. Step 2: Convert to fraction form
    609,065.04/840,316.53 = 354,367.02/x
  3. Step 3: Cross multiply
    609,065.04x = 840,316.53 × 354,367.02
  4. Step 4: Simplify right side
    609,065.04x = 297,780,464,592.84
  5. Step 5: Solve for x
    x = 297,780,464,592.84/609,065.04
  6. Step 6: Final answer
    x = 488,914.07

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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.