Finding the Fourth Proportional to 771,633, 1,064,854.08 and 432,109.08
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Solution
The fourth proportional to 771,633, 1,064,854.08 and 432,109.08 is: 596,310.83
Step by Step Solution
- Step 1: Write the proportion equation
771,633 : 1,064,854.08 = 432,109.08 : x - Step 2: Convert to fraction form
771,633/1,064,854.08 = 432,109.08/x - Step 3: Cross multiply
771,633x = 1,064,854.08 × 432,109.08 - Step 4: Simplify right side
771,633x = 460,133,116,843.05 - Step 5: Solve for x
x = 460,133,116,843.05/771,633 - Step 6: Final answer
x = 596,310.83
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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.