Finding the Fourth Proportional to 771,646.24, 1,064,841.96 and 432,097.12
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Solution
The fourth proportional to 771,646.24, 1,064,841.96 and 432,097.12 is: 596,277.31
Step by Step Solution
- Step 1: Write the proportion equation
771,646.24 : 1,064,841.96 = 432,097.12 : x - Step 2: Convert to fraction form
771,646.24/1,064,841.96 = 432,097.12/x - Step 3: Cross multiply
771,646.24x = 1,064,841.96 × 432,097.12 - Step 4: Simplify right side
771,646.24x = 460,115,144,171.16 - Step 5: Solve for x
x = 460,115,144,171.16/771,646.24 - Step 6: Final answer
x = 596,277.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.