Finding the Fourth Proportional to 813,528, 1,122,550.79 and 450,951.75
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Solution
The fourth proportional to 813,528, 1,122,550.79 and 450,951.75 is: 622,248.09
Step by Step Solution
- Step 1: Write the proportion equation
813,528 : 1,122,550.79 = 450,951.75 : x - Step 2: Convert to fraction form
813,528/1,122,550.79 = 450,951.75/x - Step 3: Cross multiply
813,528x = 1,122,550.79 × 450,951.75 - Step 4: Simplify right side
813,528x = 506,216,240,959.62 - Step 5: Solve for x
x = 506,216,240,959.62/813,528 - Step 6: Final answer
x = 622,248.09
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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.