Finding the Fourth Proportional to 935,892, 1,291,531.68 and 506,171.58
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Solution
The fourth proportional to 935,892, 1,291,531.68 and 506,171.58 is: 698,517.17
Step by Step Solution
- Step 1: Write the proportion equation
935,892 : 1,291,531.68 = 506,171.58 : x - Step 2: Convert to fraction form
935,892/1,291,531.68 = 506,171.58/x - Step 3: Cross multiply
935,892x = 1,291,531.68 × 506,171.58 - Step 4: Simplify right side
935,892x = 653,736,631,085.65 - Step 5: Solve for x
x = 653,736,631,085.65/935,892 - Step 6: Final answer
x = 698,517.17
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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.