Finding the Fourth Proportional to 943,502.28, 1,301,998.77 and 513,772.98
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Solution
The fourth proportional to 943,502.28, 1,301,998.77 and 513,772.98 is: 708,987.99
Step by Step Solution
- Step 1: Write the proportion equation
943,502.28 : 1,301,998.77 = 513,772.98 : x - Step 2: Convert to fraction form
943,502.28/1,301,998.77 = 513,772.98/x - Step 3: Cross multiply
943,502.28x = 1,301,998.77 × 513,772.98 - Step 4: Simplify right side
943,502.28x = 668,931,788,019.24 - Step 5: Solve for x
x = 668,931,788,019.24/943,502.28 - Step 6: Final answer
x = 708,987.99
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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.