Home / 698,205.98-1,047,390.99-248,990.72

Finding the Fourth Proportional to 698,205.98, 1,047,390.99 and 248,990.72

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Solution

The fourth proportional to 698,205.98, 1,047,390.99 and 248,990.72 is: 373,515.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,205.98 : 1,047,390.99 = 248,990.72 : x
  2. Step 2: Convert to fraction form
    698,205.98/1,047,390.99 = 248,990.72/x
  3. Step 3: Cross multiply
    698,205.98x = 1,047,390.99 × 248,990.72
  4. Step 4: Simplify right side
    698,205.98x = 260,790,636,721.61
  5. Step 5: Solve for x
    x = 260,790,636,721.61/698,205.98
  6. Step 6: Final answer
    x = 373,515.33

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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.