Finding the Fourth Proportional to 816,963.52, 1,127,330.68 and 472,730.80
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Solution
The fourth proportional to 816,963.52, 1,127,330.68 and 472,730.80 is: 652,322.80
Step by Step Solution
- Step 1: Write the proportion equation
816,963.52 : 1,127,330.68 = 472,730.80 : x - Step 2: Convert to fraction form
816,963.52/1,127,330.68 = 472,730.80/x - Step 3: Cross multiply
816,963.52x = 1,127,330.68 × 472,730.80 - Step 4: Simplify right side
816,963.52x = 532,923,934,220.94 - Step 5: Solve for x
x = 532,923,934,220.94/816,963.52 - Step 6: Final answer
x = 652,322.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.