Finding the Fourth Proportional to 472,106.80, 706,432.20 and 347,690.80
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Solution
The fourth proportional to 472,106.80, 706,432.20 and 347,690.80 is: 520,263.59
Step by Step Solution
- Step 1: Write the proportion equation
472,106.80 : 706,432.20 = 347,690.80 : x - Step 2: Convert to fraction form
472,106.80/706,432.20 = 347,690.80/x - Step 3: Cross multiply
472,106.80x = 706,432.20 × 347,690.80 - Step 4: Simplify right side
472,106.80x = 245,619,976,763.76 - Step 5: Solve for x
x = 245,619,976,763.76/472,106.80 - Step 6: Final answer
x = 520,263.59
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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.