Finding the Fourth Proportional to 574,967.21, 793,444.05 and 316,868.07
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Solution
The fourth proportional to 574,967.21, 793,444.05 and 316,868.07 is: 437,272.04
Step by Step Solution
- Step 1: Write the proportion equation
574,967.21 : 793,444.05 = 316,868.07 : x - Step 2: Convert to fraction form
574,967.21/793,444.05 = 316,868.07/x - Step 3: Cross multiply
574,967.21x = 793,444.05 × 316,868.07 - Step 4: Simplify right side
574,967.21x = 251,417,084,776.48 - Step 5: Solve for x
x = 251,417,084,776.48/574,967.21 - Step 6: Final answer
x = 437,272.04
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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.