Finding the Fourth Proportional to 528,671.68, 729,946.06 and 324,995.68
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Solution
The fourth proportional to 528,671.68, 729,946.06 and 324,995.68 is: 448,727.11
Step by Step Solution
- Step 1: Write the proportion equation
528,671.68 : 729,946.06 = 324,995.68 : x - Step 2: Convert to fraction form
528,671.68/729,946.06 = 324,995.68/x - Step 3: Cross multiply
528,671.68x = 729,946.06 × 324,995.68 - Step 4: Simplify right side
528,671.68x = 237,229,316,232.96 - Step 5: Solve for x
x = 237,229,316,232.96/528,671.68 - Step 6: Final answer
x = 448,727.11
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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.