Finding the Fourth Proportional to 686,335.13, 1,028,054.39 and 550,664.67
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Solution
The fourth proportional to 686,335.13, 1,028,054.39 and 550,664.67 is: 824,834.99
Step by Step Solution
- Step 1: Write the proportion equation
686,335.13 : 1,028,054.39 = 550,664.67 : x - Step 2: Convert to fraction form
686,335.13/1,028,054.39 = 550,664.67/x - Step 3: Cross multiply
686,335.13x = 1,028,054.39 × 550,664.67 - Step 4: Simplify right side
686,335.13x = 566,113,226,730.48 - Step 5: Solve for x
x = 566,113,226,730.48/686,335.13 - Step 6: Final answer
x = 824,834.99
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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.