Finding the Fourth Proportional to 771,653, 1,064,881.68 and 432,129.08
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Solution
The fourth proportional to 771,653, 1,064,881.68 and 432,129.08 is: 596,338.43
Step by Step Solution
- Step 1: Write the proportion equation
771,653 : 1,064,881.68 = 432,129.08 : x - Step 2: Convert to fraction form
771,653/1,064,881.68 = 432,129.08/x - Step 3: Cross multiply
771,653x = 1,064,881.68 × 432,129.08 - Step 4: Simplify right side
771,653x = 460,166,340,687.25 - Step 5: Solve for x
x = 460,166,340,687.25/771,653 - Step 6: Final answer
x = 596,338.43
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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.