Finding the Fourth Proportional to 900,958.68, 1,243,599.75 and 519,239.70
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Solution
The fourth proportional to 900,958.68, 1,243,599.75 and 519,239.70 is: 716,710.29
Step by Step Solution
- Step 1: Write the proportion equation
900,958.68 : 1,243,599.75 = 519,239.70 : x - Step 2: Convert to fraction form
900,958.68/1,243,599.75 = 519,239.70/x - Step 3: Cross multiply
900,958.68x = 1,243,599.75 × 519,239.70 - Step 4: Simplify right side
900,958.68x = 645,726,361,110.08 - Step 5: Solve for x
x = 645,726,361,110.08/900,958.68 - Step 6: Final answer
x = 716,710.29
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.