Finding the Fourth Proportional to 585,089.76, 807,439.80 and 330,478.80
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Solution
The fourth proportional to 585,089.76, 807,439.80 and 330,478.80 is: 456,069.74
Step by Step Solution
- Step 1: Write the proportion equation
585,089.76 : 807,439.80 = 330,478.80 : x - Step 2: Convert to fraction form
585,089.76/807,439.80 = 330,478.80/x - Step 3: Cross multiply
585,089.76x = 807,439.80 × 330,478.80 - Step 4: Simplify right side
585,089.76x = 266,841,736,176.24 - Step 5: Solve for x
x = 266,841,736,176.24/585,089.76 - Step 6: Final answer
x = 456,069.74
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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.