Home / 1,056,809.25-1,585,505.48-308,855.25

Finding the Fourth Proportional to 1,056,809.25, 1,585,505.48 and 308,855.25

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Solution

The fourth proportional to 1,056,809.25, 1,585,505.48 and 308,855.25 is: 463,368.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,809.25 : 1,585,505.48 = 308,855.25 : x
  2. Step 2: Convert to fraction form
    1,056,809.25/1,585,505.48 = 308,855.25/x
  3. Step 3: Cross multiply
    1,056,809.25x = 1,585,505.48 × 308,855.25
  4. Step 4: Simplify right side
    1,056,809.25x = 489,691,689,857.49
  5. Step 5: Solve for x
    x = 489,691,689,857.49/1,056,809.25
  6. Step 6: Final answer
    x = 463,368.10

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Double scale
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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.