Finding the Fourth Proportional to 943,364.76, 1,301,826.51 and 513,637.08
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Solution
The fourth proportional to 943,364.76, 1,301,826.51 and 513,637.08 is: 708,809.99
Step by Step Solution
- Step 1: Write the proportion equation
943,364.76 : 1,301,826.51 = 513,637.08 : x - Step 2: Convert to fraction form
943,364.76/1,301,826.51 = 513,637.08/x - Step 3: Cross multiply
943,364.76x = 1,301,826.51 × 513,637.08 - Step 4: Simplify right side
943,364.76x = 668,666,367,262.99 - Step 5: Solve for x
x = 668,666,367,262.99/943,364.76 - Step 6: Final answer
x = 708,809.99
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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.