Finding the Fourth Proportional to 658,961.19, 909,355.62 and 368,579.54
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Solution
The fourth proportional to 658,961.19, 909,355.62 and 368,579.54 is: 508,633.71
Step by Step Solution
- Step 1: Write the proportion equation
658,961.19 : 909,355.62 = 368,579.54 : x - Step 2: Convert to fraction form
658,961.19/909,355.62 = 368,579.54/x - Step 3: Cross multiply
658,961.19x = 909,355.62 × 368,579.54 - Step 4: Simplify right side
658,961.19x = 335,169,876,116.02 - Step 5: Solve for x
x = 335,169,876,116.02/658,961.19 - Step 6: Final answer
x = 508,633.71
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.