Finding the Fourth Proportional to 905,510.96, 1,357,421.94 and 306,055.07
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Solution
The fourth proportional to 905,510.96, 1,357,421.94 and 306,055.07 is: 458,797.17
Step by Step Solution
- Step 1: Write the proportion equation
905,510.96 : 1,357,421.94 = 306,055.07 : x - Step 2: Convert to fraction form
905,510.96/1,357,421.94 = 306,055.07/x - Step 3: Cross multiply
905,510.96x = 1,357,421.94 × 306,055.07 - Step 4: Simplify right side
905,510.96x = 415,445,860,079.13 - Step 5: Solve for x
x = 415,445,860,079.13/905,510.96 - Step 6: Final answer
x = 458,797.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.