Finding the Fourth Proportional to 998,637.86, 1,495,579.01 and 637,690.68
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Solution
The fourth proportional to 998,637.86, 1,495,579.01 and 637,690.68 is: 955,017.66
Step by Step Solution
- Step 1: Write the proportion equation
998,637.86 : 1,495,579.01 = 637,690.68 : x - Step 2: Convert to fraction form
998,637.86/1,495,579.01 = 637,690.68/x - Step 3: Cross multiply
998,637.86x = 1,495,579.01 × 637,690.68 - Step 4: Simplify right side
998,637.86x = 953,716,795,880.63 - Step 5: Solve for x
x = 953,716,795,880.63/998,637.86 - Step 6: Final answer
x = 955,017.66
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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.