Finding the Fourth Proportional to 973,995.62, 1,343,720.94 and 647,466.53
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Solution
The fourth proportional to 973,995.62, 1,343,720.94 and 647,466.53 is: 893,242.55
Step by Step Solution
- Step 1: Write the proportion equation
973,995.62 : 1,343,720.94 = 647,466.53 : x - Step 2: Convert to fraction form
973,995.62/1,343,720.94 = 647,466.53/x - Step 3: Cross multiply
973,995.62x = 1,343,720.94 × 647,466.53 - Step 4: Simplify right side
973,995.62x = 870,014,334,310.14 - Step 5: Solve for x
x = 870,014,334,310.14/973,995.62 - Step 6: Final answer
x = 893,242.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.