Finding the Fourth Proportional to 1,026,415.08, 1,539,685.62 and 395,330.76
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Solution
The fourth proportional to 1,026,415.08, 1,539,685.62 and 395,330.76 is: 593,020.40
Step by Step Solution
- Step 1: Write the proportion equation
1,026,415.08 : 1,539,685.62 = 395,330.76 : x - Step 2: Convert to fraction form
1,026,415.08/1,539,685.62 = 395,330.76/x - Step 3: Cross multiply
1,026,415.08x = 1,539,685.62 × 395,330.76 - Step 4: Simplify right side
1,026,415.08x = 608,685,086,315.67 - Step 5: Solve for x
x = 608,685,086,315.67/1,026,415.08 - Step 6: Final answer
x = 593,020.40
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.