Home / 988,894.40-1,483,341.60-491,230.40

Finding the Fourth Proportional to 988,894.40, 1,483,341.60 and 491,230.40

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Solution

The fourth proportional to 988,894.40, 1,483,341.60 and 491,230.40 is: 736,845.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,894.40 : 1,483,341.60 = 491,230.40 : x
  2. Step 2: Convert to fraction form
    988,894.40/1,483,341.60 = 491,230.40/x
  3. Step 3: Cross multiply
    988,894.40x = 1,483,341.60 × 491,230.40
  4. Step 4: Simplify right side
    988,894.40x = 728,662,487,504.64
  5. Step 5: Solve for x
    x = 728,662,487,504.64/988,894.40
  6. Step 6: Final answer
    x = 736,845.60

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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.