Finding the Fourth Proportional to 654,294.74, 981,598.92 and 316,941.08
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Solution
The fourth proportional to 654,294.74, 981,598.92 and 316,941.08 is: 475,487.58
Step by Step Solution
- Step 1: Write the proportion equation
654,294.74 : 981,598.92 = 316,941.08 : x - Step 2: Convert to fraction form
654,294.74/981,598.92 = 316,941.08/x - Step 3: Cross multiply
654,294.74x = 981,598.92 × 316,941.08 - Step 4: Simplify right side
654,294.74x = 311,109,021,831.63 - Step 5: Solve for x
x = 311,109,021,831.63/654,294.74 - Step 6: Final answer
x = 475,487.58
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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.