Home / 987,166.87-1,480,840.67-277,190.13

Finding the Fourth Proportional to 987,166.87, 1,480,840.67 and 277,190.13

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Solution

The fourth proportional to 987,166.87, 1,480,840.67 and 277,190.13 is: 415,810.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,166.87 : 1,480,840.67 = 277,190.13 : x
  2. Step 2: Convert to fraction form
    987,166.87/1,480,840.67 = 277,190.13/x
  3. Step 3: Cross multiply
    987,166.87x = 1,480,840.67 × 277,190.13
  4. Step 4: Simplify right side
    987,166.87x = 410,474,409,036.43
  5. Step 5: Solve for x
    x = 410,474,409,036.43/987,166.87
  6. Step 6: Final answer
    x = 415,810.56

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1.5x scale

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.