Finding the Fourth Proportional to 506,726.13, 698,977.38 and 334,645.68
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Solution
The fourth proportional to 506,726.13, 698,977.38 and 334,645.68 is: 461,609.83
Step by Step Solution
- Step 1: Write the proportion equation
506,726.13 : 698,977.38 = 334,645.68 : x - Step 2: Convert to fraction form
506,726.13/698,977.38 = 334,645.68/x - Step 3: Cross multiply
506,726.13x = 698,977.38 × 334,645.68 - Step 4: Simplify right side
506,726.13x = 233,909,760,634.72 - Step 5: Solve for x
x = 233,909,760,634.72/506,726.13 - Step 6: Final answer
x = 461,609.83
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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.