Finding the Fourth Proportional to 528,202.98, 728,917.92 and 286,484.58
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Solution
The fourth proportional to 528,202.98, 728,917.92 and 286,484.58 is: 395,347.53
Step by Step Solution
- Step 1: Write the proportion equation
528,202.98 : 728,917.92 = 286,484.58 : x - Step 2: Convert to fraction form
528,202.98/728,917.92 = 286,484.58/x - Step 3: Cross multiply
528,202.98x = 728,917.92 × 286,484.58 - Step 4: Simplify right side
528,202.98x = 208,823,744,165.67 - Step 5: Solve for x
x = 208,823,744,165.67/528,202.98 - Step 6: Final answer
x = 395,347.53
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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.