Home / 989,098.41-1,483,603.03-412,484.25

Finding the Fourth Proportional to 989,098.41, 1,483,603.03 and 412,484.25

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Solution

The fourth proportional to 989,098.41, 1,483,603.03 and 412,484.25 is: 618,707.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,098.41 : 1,483,603.03 = 412,484.25 : x
  2. Step 2: Convert to fraction form
    989,098.41/1,483,603.03 = 412,484.25/x
  3. Step 3: Cross multiply
    989,098.41x = 1,483,603.03 × 412,484.25
  4. Step 4: Simplify right side
    989,098.41x = 611,962,881,064.86
  5. Step 5: Solve for x
    x = 611,962,881,064.86/989,098.41
  6. Step 6: Final answer
    x = 618,707.78

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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.