Home / 899,219.80-1,348,829.70-698,453.20

Finding the Fourth Proportional to 899,219.80, 1,348,829.70 and 698,453.20

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Solution

The fourth proportional to 899,219.80, 1,348,829.70 and 698,453.20 is: 1,047,679.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,219.80 : 1,348,829.70 = 698,453.20 : x
  2. Step 2: Convert to fraction form
    899,219.80/1,348,829.70 = 698,453.20/x
  3. Step 3: Cross multiply
    899,219.80x = 1,348,829.70 × 698,453.20
  4. Step 4: Simplify right side
    899,219.80x = 942,094,420,220.04
  5. Step 5: Solve for x
    x = 942,094,420,220.04/899,219.80
  6. Step 6: Final answer
    x = 1,047,679.80

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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.