Finding the Fourth Proportional to 860,476.95, 1,290,713.97 and 409,831.02
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Solution
The fourth proportional to 860,476.95, 1,290,713.97 and 409,831.02 is: 614,745.84
Step by Step Solution
- Step 1: Write the proportion equation
860,476.95 : 1,290,713.97 = 409,831.02 : x - Step 2: Convert to fraction form
860,476.95/1,290,713.97 = 409,831.02/x - Step 3: Cross multiply
860,476.95x = 1,290,713.97 × 409,831.02 - Step 4: Simplify right side
860,476.95x = 528,974,622,853.35 - Step 5: Solve for x
x = 528,974,622,853.35/860,476.95 - Step 6: Final answer
x = 614,745.84
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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.