Home / 987,258.56-1,480,943.22-277,231.23

Finding the Fourth Proportional to 987,258.56, 1,480,943.22 and 277,231.23

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Solution

The fourth proportional to 987,258.56, 1,480,943.22 and 277,231.23 is: 415,862.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,258.56 : 1,480,943.22 = 277,231.23 : x
  2. Step 2: Convert to fraction form
    987,258.56/1,480,943.22 = 277,231.23/x
  3. Step 3: Cross multiply
    987,258.56x = 1,480,943.22 × 277,231.23
  4. Step 4: Simplify right side
    987,258.56x = 410,563,709,054.60
  5. Step 5: Solve for x
    x = 410,563,709,054.60/987,258.56
  6. Step 6: Final answer
    x = 415,862.40

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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.