Finding the Fourth Proportional to 1,078,356.84, 1,617,742.62 and 413,457
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Solution
The fourth proportional to 1,078,356.84, 1,617,742.62 and 413,457 is: 620,265.00
Step by Step Solution
- Step 1: Write the proportion equation
1,078,356.84 : 1,617,742.62 = 413,457 : x - Step 2: Convert to fraction form
1,078,356.84/1,617,742.62 = 413,457/x - Step 3: Cross multiply
1,078,356.84x = 1,617,742.62 × 413,457 - Step 4: Simplify right side
1,078,356.84x = 668,867,010,437.34 - Step 5: Solve for x
x = 668,867,010,437.34/1,078,356.84 - Step 6: Final answer
x = 620,265.00
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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.