Finding the Fourth Proportional to 985,208.04, 1,478,395.71 and 416,558.07
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Solution
The fourth proportional to 985,208.04, 1,478,395.71 and 416,558.07 is: 625,083.88
Step by Step Solution
- Step 1: Write the proportion equation
985,208.04 : 1,478,395.71 = 416,558.07 : x - Step 2: Convert to fraction form
985,208.04/1,478,395.71 = 416,558.07/x - Step 3: Cross multiply
985,208.04x = 1,478,395.71 × 416,558.07 - Step 4: Simplify right side
985,208.04x = 615,837,663,653.88 - Step 5: Solve for x
x = 615,837,663,653.88/985,208.04 - Step 6: Final answer
x = 625,083.88
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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.