Finding the Fourth Proportional to 947,258.13, 1,307,147.99 and 517,447.02
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Solution
The fourth proportional to 947,258.13, 1,307,147.99 and 517,447.02 is: 714,039.61
Step by Step Solution
- Step 1: Write the proportion equation
947,258.13 : 1,307,147.99 = 517,447.02 : x - Step 2: Convert to fraction form
947,258.13/1,307,147.99 = 517,447.02/x - Step 3: Cross multiply
947,258.13x = 1,307,147.99 × 517,447.02 - Step 4: Simplify right side
947,258.13x = 676,379,829,537.26 - Step 5: Solve for x
x = 676,379,829,537.26/947,258.13 - Step 6: Final answer
x = 714,039.61
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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.