Home / 698,629.10-1,047,943.65-225,362.30

Finding the Fourth Proportional to 698,629.10, 1,047,943.65 and 225,362.30

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Solution

The fourth proportional to 698,629.10, 1,047,943.65 and 225,362.30 is: 338,043.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,629.10 : 1,047,943.65 = 225,362.30 : x
  2. Step 2: Convert to fraction form
    698,629.10/1,047,943.65 = 225,362.30/x
  3. Step 3: Cross multiply
    698,629.10x = 1,047,943.65 × 225,362.30
  4. Step 4: Simplify right side
    698,629.10x = 236,166,991,234.40
  5. Step 5: Solve for x
    x = 236,166,991,234.40/698,629.10
  6. Step 6: Final answer
    x = 338,043.45

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Similar ratio
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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.