Finding the Fourth Proportional to 646,842.20, 970,263.30 and 617,811.80
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Solution
The fourth proportional to 646,842.20, 970,263.30 and 617,811.80 is: 926,717.70
Step by Step Solution
- Step 1: Write the proportion equation
646,842.20 : 970,263.30 = 617,811.80 : x - Step 2: Convert to fraction form
646,842.20/970,263.30 = 617,811.80/x - Step 3: Cross multiply
646,842.20x = 970,263.30 × 617,811.80 - Step 4: Simplify right side
646,842.20x = 599,440,115,846.94 - Step 5: Solve for x
x = 599,440,115,846.94/646,842.20 - Step 6: Final answer
x = 926,717.70
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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.