Finding the Fourth Proportional to 569,965.01, 786,516.28 and 315,316.19
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Solution
The fourth proportional to 569,965.01, 786,516.28 and 315,316.19 is: 435,116.75
Step by Step Solution
- Step 1: Write the proportion equation
569,965.01 : 786,516.28 = 315,316.19 : x - Step 2: Convert to fraction form
569,965.01/786,516.28 = 315,316.19/x - Step 3: Cross multiply
569,965.01x = 786,516.28 × 315,316.19 - Step 4: Simplify right side
569,965.01x = 248,001,317,960.57 - Step 5: Solve for x
x = 248,001,317,960.57/569,965.01 - Step 6: Final answer
x = 435,116.75
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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.