Finding the Fourth Proportional to 539,590.08, 809,644.32 and 290,239.68
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Solution
The fourth proportional to 539,590.08, 809,644.32 and 290,239.68 is: 435,498.94
Step by Step Solution
- Step 1: Write the proportion equation
539,590.08 : 809,644.32 = 290,239.68 : x - Step 2: Convert to fraction form
539,590.08/809,644.32 = 290,239.68/x - Step 3: Cross multiply
539,590.08x = 809,644.32 × 290,239.68 - Step 4: Simplify right side
539,590.08x = 234,990,908,350.62 - Step 5: Solve for x
x = 234,990,908,350.62/539,590.08 - Step 6: Final answer
x = 435,498.94
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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.