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Finding the Fourth Proportional to 602,803.65, 831,855.54 and 330,869.64

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Solution

The fourth proportional to 602,803.65, 831,855.54 and 330,869.64 is: 456,592.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,803.65 : 831,855.54 = 330,869.64 : x
  2. Step 2: Convert to fraction form
    602,803.65/831,855.54 = 330,869.64/x
  3. Step 3: Cross multiply
    602,803.65x = 831,855.54 × 330,869.64
  4. Step 4: Simplify right side
    602,803.65x = 275,235,743,051.81
  5. Step 5: Solve for x
    x = 275,235,743,051.81/602,803.65
  6. Step 6: Final answer
    x = 456,592.69

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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.