Finding the Fourth Proportional to 695,779.92, 1,041,344.42 and 396,180.09
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Solution
The fourth proportional to 695,779.92, 1,041,344.42 and 396,180.09 is: 592,946.01
Step by Step Solution
- Step 1: Write the proportion equation
695,779.92 : 1,041,344.42 = 396,180.09 : x - Step 2: Convert to fraction form
695,779.92/1,041,344.42 = 396,180.09/x - Step 3: Cross multiply
695,779.92x = 1,041,344.42 × 396,180.09 - Step 4: Simplify right side
695,779.92x = 412,559,924,055.70 - Step 5: Solve for x
x = 412,559,924,055.70/695,779.92 - Step 6: Final answer
x = 592,946.01
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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.