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Finding the Fourth Proportional to 602,369.12, 831,269.88 and 334,097.12

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Solution

The fourth proportional to 602,369.12, 831,269.88 and 334,097.12 is: 461,054.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,369.12 : 831,269.88 = 334,097.12 : x
  2. Step 2: Convert to fraction form
    602,369.12/831,269.88 = 334,097.12/x
  3. Step 3: Cross multiply
    602,369.12x = 831,269.88 × 334,097.12
  4. Step 4: Simplify right side
    602,369.12x = 277,724,872,850.75
  5. Step 5: Solve for x
    x = 277,724,872,850.75/602,369.12
  6. Step 6: Final answer
    x = 461,054.30

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1.5x scale

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.