Home / 869,084.30-1,303,626.45-308,045.90

Finding the Fourth Proportional to 869,084.30, 1,303,626.45 and 308,045.90

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Solution

The fourth proportional to 869,084.30, 1,303,626.45 and 308,045.90 is: 462,068.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,084.30 : 1,303,626.45 = 308,045.90 : x
  2. Step 2: Convert to fraction form
    869,084.30/1,303,626.45 = 308,045.90/x
  3. Step 3: Cross multiply
    869,084.30x = 1,303,626.45 × 308,045.90
  4. Step 4: Simplify right side
    869,084.30x = 401,576,783,054.06
  5. Step 5: Solve for x
    x = 401,576,783,054.06/869,084.30
  6. Step 6: Final answer
    x = 462,068.85

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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.