Home / 698,307.92-1,047,921.22-382,986.26

Finding the Fourth Proportional to 698,307.92, 1,047,921.22 and 382,986.26

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Solution

The fourth proportional to 698,307.92, 1,047,921.22 and 382,986.26 is: 574,731.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,307.92 : 1,047,921.22 = 382,986.26 : x
  2. Step 2: Convert to fraction form
    698,307.92/1,047,921.22 = 382,986.26/x
  3. Step 3: Cross multiply
    698,307.92x = 1,047,921.22 × 382,986.26
  4. Step 4: Simplify right side
    698,307.92x = 401,339,428,822.44
  5. Step 5: Solve for x
    x = 401,339,428,822.44/698,307.92
  6. Step 6: Final answer
    x = 574,731.31

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Double scale
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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.