Finding the Fourth Proportional to 972,192.74, 1,341,907.53 and 564,386.18
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Solution
The fourth proportional to 972,192.74, 1,341,907.53 and 564,386.18 is: 779,016.38
Step by Step Solution
- Step 1: Write the proportion equation
972,192.74 : 1,341,907.53 = 564,386.18 : x - Step 2: Convert to fraction form
972,192.74/1,341,907.53 = 564,386.18/x - Step 3: Cross multiply
972,192.74x = 1,341,907.53 × 564,386.18 - Step 4: Simplify right side
972,192.74x = 757,354,064,769.94 - Step 5: Solve for x
x = 757,354,064,769.94/972,192.74 - Step 6: Final answer
x = 779,016.38
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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.