Finding the Fourth Proportional to 979,055.94, 1,468,225.08 and 339,194.42
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Solution
The fourth proportional to 979,055.94, 1,468,225.08 and 339,194.42 is: 508,667.31
Step by Step Solution
- Step 1: Write the proportion equation
979,055.94 : 1,468,225.08 = 339,194.42 : x - Step 2: Convert to fraction form
979,055.94/1,468,225.08 = 339,194.42/x - Step 3: Cross multiply
979,055.94x = 1,468,225.08 × 339,194.42 - Step 4: Simplify right side
979,055.94x = 498,013,754,440.05 - Step 5: Solve for x
x = 498,013,754,440.05/979,055.94 - Step 6: Final answer
x = 508,667.31
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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.