Finding the Fourth Proportional to 877,713.57, 1,211,726.79 and 551,367
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Solution
The fourth proportional to 877,713.57, 1,211,726.79 and 551,367 is: 761,189.29
Step by Step Solution
- Step 1: Write the proportion equation
877,713.57 : 1,211,726.79 = 551,367 : x - Step 2: Convert to fraction form
877,713.57/1,211,726.79 = 551,367/x - Step 3: Cross multiply
877,713.57x = 1,211,726.79 × 551,367 - Step 4: Simplify right side
877,713.57x = 668,106,165,021.93 - Step 5: Solve for x
x = 668,106,165,021.93/877,713.57 - Step 6: Final answer
x = 761,189.29
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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.