Finding the Fourth Proportional to 750,505.07, 1,035,695.62 and 406,340.95
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Solution
The fourth proportional to 750,505.07, 1,035,695.62 and 406,340.95 is: 560,749.77
Step by Step Solution
- Step 1: Write the proportion equation
750,505.07 : 1,035,695.62 = 406,340.95 : x - Step 2: Convert to fraction form
750,505.07/1,035,695.62 = 406,340.95/x - Step 3: Cross multiply
750,505.07x = 1,035,695.62 × 406,340.95 - Step 4: Simplify right side
750,505.07x = 420,845,544,601.54 - Step 5: Solve for x
x = 420,845,544,601.54/750,505.07 - Step 6: Final answer
x = 560,749.77
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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.