Finding the Fourth Proportional to 955,443.06, 1,433,352.51 and 315,720.99
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Solution
The fourth proportional to 955,443.06, 1,433,352.51 and 315,720.99 is: 473,643.58
Step by Step Solution
- Step 1: Write the proportion equation
955,443.06 : 1,433,352.51 = 315,720.99 : x - Step 2: Convert to fraction form
955,443.06/1,433,352.51 = 315,720.99/x - Step 3: Cross multiply
955,443.06x = 1,433,352.51 × 315,720.99 - Step 4: Simplify right side
955,443.06x = 452,539,473,476.19 - Step 5: Solve for x
x = 452,539,473,476.19/955,443.06 - Step 6: Final answer
x = 473,643.58
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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.