Finding the Fourth Proportional to 528,195.08, 728,925.70 and 298,747.87
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Solution
The fourth proportional to 528,195.08, 728,925.70 and 298,747.87 is: 412,281.39
Step by Step Solution
- Step 1: Write the proportion equation
528,195.08 : 728,925.70 = 298,747.87 : x - Step 2: Convert to fraction form
528,195.08/728,925.70 = 298,747.87/x - Step 3: Cross multiply
528,195.08x = 728,925.70 × 298,747.87 - Step 4: Simplify right side
528,195.08x = 217,765,000,263.26 - Step 5: Solve for x
x = 217,765,000,263.26/528,195.08 - Step 6: Final answer
x = 412,281.39
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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.