Home / 887,056.99-1,330,106.06-279,730.73

Finding the Fourth Proportional to 887,056.99, 1,330,106.06 and 279,730.73

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Solution

The fourth proportional to 887,056.99, 1,330,106.06 and 279,730.73 is: 419,444.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,056.99 : 1,330,106.06 = 279,730.73 : x
  2. Step 2: Convert to fraction form
    887,056.99/1,330,106.06 = 279,730.73/x
  3. Step 3: Cross multiply
    887,056.99x = 1,330,106.06 × 279,730.73
  4. Step 4: Simplify right side
    887,056.99x = 372,071,543,165.82
  5. Step 5: Solve for x
    x = 372,071,543,165.82/887,056.99
  6. Step 6: Final answer
    x = 419,444.92

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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.