Finding the Fourth Proportional to 564,129.80, 845,751.68 and 386,097.06
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Solution
The fourth proportional to 564,129.80, 845,751.68 and 386,097.06 is: 578,842.38
Step by Step Solution
- Step 1: Write the proportion equation
564,129.80 : 845,751.68 = 386,097.06 : x - Step 2: Convert to fraction form
564,129.80/845,751.68 = 386,097.06/x - Step 3: Cross multiply
564,129.80x = 845,751.68 × 386,097.06 - Step 4: Simplify right side
564,129.80x = 326,542,237,138.06 - Step 5: Solve for x
x = 326,542,237,138.06/564,129.80 - Step 6: Final answer
x = 578,842.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.