Finding the Fourth Proportional to 626,566.87, 865,053.75 and 430,670.60
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Solution
The fourth proportional to 626,566.87, 865,053.75 and 430,670.60 is: 594,594.50
Step by Step Solution
- Step 1: Write the proportion equation
626,566.87 : 865,053.75 = 430,670.60 : x - Step 2: Convert to fraction form
626,566.87/865,053.75 = 430,670.60/x - Step 3: Cross multiply
626,566.87x = 865,053.75 × 430,670.60 - Step 4: Simplify right side
626,566.87x = 372,553,217,544.75 - Step 5: Solve for x
x = 372,553,217,544.75/626,566.87 - Step 6: Final answer
x = 594,594.50
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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.