Finding the Fourth Proportional to 840,340.48, 1,159,339.39 and 517,490.08
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Solution
The fourth proportional to 840,340.48, 1,159,339.39 and 517,490.08 is: 713,932.80
Step by Step Solution
- Step 1: Write the proportion equation
840,340.48 : 1,159,339.39 = 517,490.08 : x - Step 2: Convert to fraction form
840,340.48/1,159,339.39 = 517,490.08/x - Step 3: Cross multiply
840,340.48x = 1,159,339.39 × 517,490.08 - Step 4: Simplify right side
840,340.48x = 599,946,633,678.25 - Step 5: Solve for x
x = 599,946,633,678.25/840,340.48 - Step 6: Final answer
x = 713,932.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.