Finding the Fourth Proportional to 898,976.71, 1,348,455.82 and 519,656.09
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Solution
The fourth proportional to 898,976.71, 1,348,455.82 and 519,656.09 is: 779,478.78
Step by Step Solution
- Step 1: Write the proportion equation
898,976.71 : 1,348,455.82 = 519,656.09 : x - Step 2: Convert to fraction form
898,976.71/1,348,455.82 = 519,656.09/x - Step 3: Cross multiply
898,976.71x = 1,348,455.82 × 519,656.09 - Step 4: Simplify right side
898,976.71x = 700,733,270,917.52 - Step 5: Solve for x
x = 700,733,270,917.52/898,976.71 - Step 6: Final answer
x = 779,478.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.