Home / 698,743.21-1,048,336.35-249,454.45

Finding the Fourth Proportional to 698,743.21, 1,048,336.35 and 249,454.45

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Solution

The fourth proportional to 698,743.21, 1,048,336.35 and 249,454.45 is: 374,260.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,743.21 : 1,048,336.35 = 249,454.45 : x
  2. Step 2: Convert to fraction form
    698,743.21/1,048,336.35 = 249,454.45/x
  3. Step 3: Cross multiply
    698,743.21x = 1,048,336.35 × 249,454.45
  4. Step 4: Simplify right side
    698,743.21x = 261,512,167,604.26
  5. Step 5: Solve for x
    x = 261,512,167,604.26/698,743.21
  6. Step 6: Final answer
    x = 374,260.76

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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.