Finding the Fourth Proportional to 528,263.30, 729,133.44 and 324,363.08
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Solution
The fourth proportional to 528,263.30, 729,133.44 and 324,363.08 is: 447,700.93
Step by Step Solution
- Step 1: Write the proportion equation
528,263.30 : 729,133.44 = 324,363.08 : x - Step 2: Convert to fraction form
528,263.30/729,133.44 = 324,363.08/x - Step 3: Cross multiply
528,263.30x = 729,133.44 × 324,363.08 - Step 4: Simplify right side
528,263.30x = 236,503,968,329.40 - Step 5: Solve for x
x = 236,503,968,329.40/528,263.30 - Step 6: Final answer
x = 447,700.93
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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.