Finding the Fourth Proportional to 564,585.90, 779,129.29 and 306,462.68
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Solution
The fourth proportional to 564,585.90, 779,129.29 and 306,462.68 is: 422,918.90
Step by Step Solution
- Step 1: Write the proportion equation
564,585.90 : 779,129.29 = 306,462.68 : x - Step 2: Convert to fraction form
564,585.90/779,129.29 = 306,462.68/x - Step 3: Cross multiply
564,585.90x = 779,129.29 × 306,462.68 - Step 4: Simplify right side
564,585.90x = 238,774,050,279.90 - Step 5: Solve for x
x = 238,774,050,279.90/564,585.90 - Step 6: Final answer
x = 422,918.90
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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.