Home / 602,623.70-831,618.39-330,696.14

Finding the Fourth Proportional to 602,623.70, 831,618.39 and 330,696.14

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Solution

The fourth proportional to 602,623.70, 831,618.39 and 330,696.14 is: 456,359.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,623.70 : 831,618.39 = 330,696.14 : x
  2. Step 2: Convert to fraction form
    602,623.70/831,618.39 = 330,696.14/x
  3. Step 3: Cross multiply
    602,623.70x = 831,618.39 × 330,696.14
  4. Step 4: Simplify right side
    602,623.70x = 275,012,991,526.02
  5. Step 5: Solve for x
    x = 275,012,991,526.02/602,623.70
  6. Step 6: Final answer
    x = 456,359.40

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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.