Finding the Fourth Proportional to 778,988.66, 1,161,610.25 and 751,235.63
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Solution
The fourth proportional to 778,988.66, 1,161,610.25 and 751,235.63 is: 1,120,225.56
Step by Step Solution
- Step 1: Write the proportion equation
778,988.66 : 1,161,610.25 = 751,235.63 : x - Step 2: Convert to fraction form
778,988.66/1,161,610.25 = 751,235.63/x - Step 3: Cross multiply
778,988.66x = 1,161,610.25 × 751,235.63 - Step 4: Simplify right side
778,988.66x = 872,643,007,973.21 - Step 5: Solve for x
x = 872,643,007,973.21/778,988.66 - Step 6: Final answer
x = 1,120,225.56
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.