Home / 698,081.70-1,047,122.55-249,309.30

Finding the Fourth Proportional to 698,081.70, 1,047,122.55 and 249,309.30

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Solution

The fourth proportional to 698,081.70, 1,047,122.55 and 249,309.30 is: 373,963.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,081.70 : 1,047,122.55 = 249,309.30 : x
  2. Step 2: Convert to fraction form
    698,081.70/1,047,122.55 = 249,309.30/x
  3. Step 3: Cross multiply
    698,081.70x = 1,047,122.55 × 249,309.30
  4. Step 4: Simplify right side
    698,081.70x = 261,057,389,954.72
  5. Step 5: Solve for x
    x = 261,057,389,954.72/698,081.70
  6. Step 6: Final answer
    x = 373,963.95

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Double scale
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Similar ratio
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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.