Finding the Fourth Proportional to 750,597.93, 1,035,804.95 and 428,302.17
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Solution
The fourth proportional to 750,597.93, 1,035,804.95 and 428,302.17 is: 591,045.47
Step by Step Solution
- Step 1: Write the proportion equation
750,597.93 : 1,035,804.95 = 428,302.17 : x - Step 2: Convert to fraction form
750,597.93/1,035,804.95 = 428,302.17/x - Step 3: Cross multiply
750,597.93x = 1,035,804.95 × 428,302.17 - Step 4: Simplify right side
750,597.93x = 443,637,505,640.23 - Step 5: Solve for x
x = 443,637,505,640.23/750,597.93 - Step 6: Final answer
x = 591,045.47
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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.