Finding the Fourth Proportional to 1,079,279.29, 1,489,397.71 and 589,248.79
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Solution
The fourth proportional to 1,079,279.29, 1,489,397.71 and 589,248.79 is: 813,159.12
Step by Step Solution
- Step 1: Write the proportion equation
1,079,279.29 : 1,489,397.71 = 589,248.79 : x - Step 2: Convert to fraction form
1,079,279.29/1,489,397.71 = 589,248.79/x - Step 3: Cross multiply
1,079,279.29x = 1,489,397.71 × 589,248.79 - Step 4: Simplify right side
1,079,279.29x = 877,625,795,827.48 - Step 5: Solve for x
x = 877,625,795,827.48/1,079,279.29 - Step 6: Final answer
x = 813,159.12
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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.