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Finding the Fourth Proportional to 602,454.06, 831,440.34 and 330,574.86

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Solution

The fourth proportional to 602,454.06, 831,440.34 and 330,574.86 is: 456,222.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,454.06 : 831,440.34 = 330,574.86 : x
  2. Step 2: Convert to fraction form
    602,454.06/831,440.34 = 330,574.86/x
  3. Step 3: Cross multiply
    602,454.06x = 831,440.34 × 330,574.86
  4. Step 4: Simplify right side
    602,454.06x = 274,853,273,993.85
  5. Step 5: Solve for x
    x = 274,853,273,993.85/602,454.06
  6. Step 6: Final answer
    x = 456,222.79

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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.