Home / 807,422.15-1,211,370.08-238,818.25

Finding the Fourth Proportional to 807,422.15, 1,211,370.08 and 238,818.25

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Solution

The fourth proportional to 807,422.15, 1,211,370.08 and 238,818.25 is: 358,297.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,422.15 : 1,211,370.08 = 238,818.25 : x
  2. Step 2: Convert to fraction form
    807,422.15/1,211,370.08 = 238,818.25/x
  3. Step 3: Cross multiply
    807,422.15x = 1,211,370.08 × 238,818.25
  4. Step 4: Simplify right side
    807,422.15x = 289,297,282,607.96
  5. Step 5: Solve for x
    x = 289,297,282,607.96/807,422.15
  6. Step 6: Final answer
    x = 358,297.43

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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.