Finding the Fourth Proportional to 970,028.93, 1,338,428.81 and 588,149.57
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Solution
The fourth proportional to 970,028.93, 1,338,428.81 and 588,149.57 is: 811,518.40
Step by Step Solution
- Step 1: Write the proportion equation
970,028.93 : 1,338,428.81 = 588,149.57 : x - Step 2: Convert to fraction form
970,028.93/1,338,428.81 = 588,149.57/x - Step 3: Cross multiply
970,028.93x = 1,338,428.81 × 588,149.57 - Step 4: Simplify right side
970,028.93x = 787,196,326,136.36 - Step 5: Solve for x
x = 787,196,326,136.36/970,028.93 - Step 6: Final answer
x = 811,518.40
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.