Finding the Fourth Proportional to 1,068,809.88, 1,603,292.58 and 358,831.92
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Solution
The fourth proportional to 1,068,809.88, 1,603,292.58 and 358,831.92 is: 538,273.99
Step by Step Solution
- Step 1: Write the proportion equation
1,068,809.88 : 1,603,292.58 = 358,831.92 : x - Step 2: Convert to fraction form
1,068,809.88/1,603,292.58 = 358,831.92/x - Step 3: Cross multiply
1,068,809.88x = 1,603,292.58 × 358,831.92 - Step 4: Simplify right side
1,068,809.88x = 575,312,554,803.15 - Step 5: Solve for x
x = 575,312,554,803.15/1,068,809.88 - Step 6: Final answer
x = 538,273.99
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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.