Finding the Fourth Proportional to 905,618.86, 1,249,783.98 and 497,735.18
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Solution
The fourth proportional to 905,618.86, 1,249,783.98 and 497,735.18 is: 686,891.01
Step by Step Solution
- Step 1: Write the proportion equation
905,618.86 : 1,249,783.98 = 497,735.18 : x - Step 2: Convert to fraction form
905,618.86/1,249,783.98 = 497,735.18/x - Step 3: Cross multiply
905,618.86x = 1,249,783.98 × 497,735.18 - Step 4: Simplify right side
905,618.86x = 622,061,454,246.42 - Step 5: Solve for x
x = 622,061,454,246.42/905,618.86 - Step 6: Final answer
x = 686,891.01
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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.