Home / 989,768.48-1,484,639.76-241,820.96

Finding the Fourth Proportional to 989,768.48, 1,484,639.76 and 241,820.96

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Solution

The fourth proportional to 989,768.48, 1,484,639.76 and 241,820.96 is: 362,728.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,768.48 : 1,484,639.76 = 241,820.96 : x
  2. Step 2: Convert to fraction form
    989,768.48/1,484,639.76 = 241,820.96/x
  3. Step 3: Cross multiply
    989,768.48x = 1,484,639.76 × 241,820.96
  4. Step 4: Simplify right side
    989,768.48x = 359,017,012,017.37
  5. Step 5: Solve for x
    x = 359,017,012,017.37/989,768.48
  6. Step 6: Final answer
    x = 362,728.27

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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.