Finding the Fourth Proportional to 695,390.68, 1,042,922.34 and 189,831.47
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Solution
The fourth proportional to 695,390.68, 1,042,922.34 and 189,831.47 is: 284,702.52
Step by Step Solution
- Step 1: Write the proportion equation
695,390.68 : 1,042,922.34 = 189,831.47 : x - Step 2: Convert to fraction form
695,390.68/1,042,922.34 = 189,831.47/x - Step 3: Cross multiply
695,390.68x = 1,042,922.34 × 189,831.47 - Step 4: Simplify right side
695,390.68x = 197,979,480,898.04 - Step 5: Solve for x
x = 197,979,480,898.04/695,390.68 - Step 6: Final answer
x = 284,702.52
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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.