Finding the Fourth Proportional to 835,318.74, 1,152,740.66 and 453,345.62
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Solution
The fourth proportional to 835,318.74, 1,152,740.66 and 453,345.62 is: 625,617.39
Step by Step Solution
- Step 1: Write the proportion equation
835,318.74 : 1,152,740.66 = 453,345.62 : x - Step 2: Convert to fraction form
835,318.74/1,152,740.66 = 453,345.62/x - Step 3: Cross multiply
835,318.74x = 1,152,740.66 × 453,345.62 - Step 4: Simplify right side
835,318.74x = 522,589,929,206.91 - Step 5: Solve for x
x = 522,589,929,206.91/835,318.74 - Step 6: Final answer
x = 625,617.39
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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.