Finding the Fourth Proportional to 395,931.80, 593,897.70 and 372,603.80
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Solution
The fourth proportional to 395,931.80, 593,897.70 and 372,603.80 is: 558,905.70
Step by Step Solution
- Step 1: Write the proportion equation
395,931.80 : 593,897.70 = 372,603.80 : x - Step 2: Convert to fraction form
395,931.80/593,897.70 = 372,603.80/x - Step 3: Cross multiply
395,931.80x = 593,897.70 × 372,603.80 - Step 4: Simplify right side
395,931.80x = 221,288,539,831.26 - Step 5: Solve for x
x = 221,288,539,831.26/395,931.80 - Step 6: Final answer
x = 558,905.70
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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.