Home / 907,966.95-1,361,946.78-276,878.94

Finding the Fourth Proportional to 907,966.95, 1,361,946.78 and 276,878.94

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Solution

The fourth proportional to 907,966.95, 1,361,946.78 and 276,878.94 is: 415,317.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,966.95 : 1,361,946.78 = 276,878.94 : x
  2. Step 2: Convert to fraction form
    907,966.95/1,361,946.78 = 276,878.94/x
  3. Step 3: Cross multiply
    907,966.95x = 1,361,946.78 × 276,878.94
  4. Step 4: Simplify right side
    907,966.95x = 377,094,380,782.81
  5. Step 5: Solve for x
    x = 377,094,380,782.81/907,966.95
  6. Step 6: Final answer
    x = 415,317.30

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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.