Home / 987,258.60-1,480,943.31-277,231.29

Finding the Fourth Proportional to 987,258.60, 1,480,943.31 and 277,231.29

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Solution

The fourth proportional to 987,258.60, 1,480,943.31 and 277,231.29 is: 415,862.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,258.60 : 1,480,943.31 = 277,231.29 : x
  2. Step 2: Convert to fraction form
    987,258.60/1,480,943.31 = 277,231.29/x
  3. Step 3: Cross multiply
    987,258.60x = 1,480,943.31 × 277,231.29
  4. Step 4: Simplify right side
    987,258.60x = 410,563,824,248.17
  5. Step 5: Solve for x
    x = 410,563,824,248.17/987,258.60
  6. Step 6: Final answer
    x = 415,862.49

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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.