Home / 879,150.98-1,318,753.86-302,768.34

Finding the Fourth Proportional to 879,150.98, 1,318,753.86 and 302,768.34

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Solution

The fourth proportional to 879,150.98, 1,318,753.86 and 302,768.34 is: 454,161.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,150.98 : 1,318,753.86 = 302,768.34 : x
  2. Step 2: Convert to fraction form
    879,150.98/1,318,753.86 = 302,768.34/x
  3. Step 3: Cross multiply
    879,150.98x = 1,318,753.86 × 302,768.34
  4. Step 4: Simplify right side
    879,150.98x = 399,276,917,060.79
  5. Step 5: Solve for x
    x = 399,276,917,060.79/879,150.98
  6. Step 6: Final answer
    x = 454,161.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.