Finding the Fourth Proportional to 944,643.49, 1,303,608.06 and 514,923.62
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Solution
The fourth proportional to 944,643.49, 1,303,608.06 and 514,923.62 is: 710,594.62
Step by Step Solution
- Step 1: Write the proportion equation
944,643.49 : 1,303,608.06 = 514,923.62 : x - Step 2: Convert to fraction form
944,643.49/1,303,608.06 = 514,923.62/x - Step 3: Cross multiply
944,643.49x = 1,303,608.06 × 514,923.62 - Step 4: Simplify right side
944,643.49x = 671,258,581,316.38 - Step 5: Solve for x
x = 671,258,581,316.38/944,643.49 - Step 6: Final answer
x = 710,594.62
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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.