Finding the Fourth Proportional to 931,918.08, 1,286,040.26 and 529,510.08
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Solution
The fourth proportional to 931,918.08, 1,286,040.26 and 529,510.08 is: 730,720.11
Step by Step Solution
- Step 1: Write the proportion equation
931,918.08 : 1,286,040.26 = 529,510.08 : x - Step 2: Convert to fraction form
931,918.08/1,286,040.26 = 529,510.08/x - Step 3: Cross multiply
931,918.08x = 1,286,040.26 × 529,510.08 - Step 4: Simplify right side
931,918.08x = 680,971,280,955.82 - Step 5: Solve for x
x = 680,971,280,955.82/931,918.08 - Step 6: Final answer
x = 730,720.11
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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.