Finding the Fourth Proportional to 810,461.57, 1,214,605.69 and 630,763.99
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Solution
The fourth proportional to 810,461.57, 1,214,605.69 and 630,763.99 is: 945,300.26
Step by Step Solution
- Step 1: Write the proportion equation
810,461.57 : 1,214,605.69 = 630,763.99 : x - Step 2: Convert to fraction form
810,461.57/1,214,605.69 = 630,763.99/x - Step 3: Cross multiply
810,461.57x = 1,214,605.69 × 630,763.99 - Step 4: Simplify right side
810,461.57x = 766,129,531,301.10 - Step 5: Solve for x
x = 766,129,531,301.10/810,461.57 - Step 6: Final answer
x = 945,300.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.