Finding the Fourth Proportional to 725,159.68, 1,087,850.16 and 369,980.08
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Solution
The fourth proportional to 725,159.68, 1,087,850.16 and 369,980.08 is: 555,026.57
Step by Step Solution
- Step 1: Write the proportion equation
725,159.68 : 1,087,850.16 = 369,980.08 : x - Step 2: Convert to fraction form
725,159.68/1,087,850.16 = 369,980.08/x - Step 3: Cross multiply
725,159.68x = 1,087,850.16 × 369,980.08 - Step 4: Simplify right side
725,159.68x = 402,482,889,224.81 - Step 5: Solve for x
x = 402,482,889,224.81/725,159.68 - Step 6: Final answer
x = 555,026.57
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.