Finding the Fourth Proportional to 859,831.24, 1,290,265.26 and 299,259.40
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Solution
The fourth proportional to 859,831.24, 1,290,265.26 and 299,259.40 is: 449,069.53
Step by Step Solution
- Step 1: Write the proportion equation
859,831.24 : 1,290,265.26 = 299,259.40 : x - Step 2: Convert to fraction form
859,831.24/1,290,265.26 = 299,259.40/x - Step 3: Cross multiply
859,831.24x = 1,290,265.26 × 299,259.40 - Step 4: Simplify right side
859,831.24x = 386,124,007,548.44 - Step 5: Solve for x
x = 386,124,007,548.44/859,831.24 - Step 6: Final answer
x = 449,069.53
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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.