Home / 602,604.29-831,645.57-330,724.74

Finding the Fourth Proportional to 602,604.29, 831,645.57 and 330,724.74

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Solution

The fourth proportional to 602,604.29, 831,645.57 and 330,724.74 is: 456,428.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,604.29 : 831,645.57 = 330,724.74 : x
  2. Step 2: Convert to fraction form
    602,604.29/831,645.57 = 330,724.74/x
  3. Step 3: Cross multiply
    602,604.29x = 831,645.57 × 330,724.74
  4. Step 4: Simplify right side
    602,604.29x = 275,045,766,000.12
  5. Step 5: Solve for x
    x = 275,045,766,000.12/602,604.29
  6. Step 6: Final answer
    x = 456,428.49

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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.