Finding the Fourth Proportional to 1,026,083, 1,539,328.62 and 316,080.74
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Solution
The fourth proportional to 1,026,083, 1,539,328.62 and 316,080.74 is: 474,183.99
Step by Step Solution
- Step 1: Write the proportion equation
1,026,083 : 1,539,328.62 = 316,080.74 : x - Step 2: Convert to fraction form
1,026,083/1,539,328.62 = 316,080.74/x - Step 3: Cross multiply
1,026,083x = 1,539,328.62 × 316,080.74 - Step 4: Simplify right side
1,026,083x = 486,552,129,312.78 - Step 5: Solve for x
x = 486,552,129,312.78/1,026,083 - Step 6: Final answer
x = 474,183.99
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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.