Home / 1,019,515.94-1,529,175.02-309,550.13

Finding the Fourth Proportional to 1,019,515.94, 1,529,175.02 and 309,550.13

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Solution

The fourth proportional to 1,019,515.94, 1,529,175.02 and 309,550.13 is: 464,295.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,515.94 : 1,529,175.02 = 309,550.13 : x
  2. Step 2: Convert to fraction form
    1,019,515.94/1,529,175.02 = 309,550.13/x
  3. Step 3: Cross multiply
    1,019,515.94x = 1,529,175.02 × 309,550.13
  4. Step 4: Simplify right side
    1,019,515.94x = 473,356,317,040.13
  5. Step 5: Solve for x
    x = 473,356,317,040.13/1,019,515.94
  6. Step 6: Final answer
    x = 464,295.16

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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.