Finding the Fourth Proportional to 842,282.41, 1,162,349.86 and 479,740.03
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Solution
The fourth proportional to 842,282.41, 1,162,349.86 and 479,740.03 is: 662,041.32
Step by Step Solution
- Step 1: Write the proportion equation
842,282.41 : 1,162,349.86 = 479,740.03 : x - Step 2: Convert to fraction form
842,282.41/1,162,349.86 = 479,740.03/x - Step 3: Cross multiply
842,282.41x = 1,162,349.86 × 479,740.03 - Step 4: Simplify right side
842,282.41x = 557,625,756,706.90 - Step 5: Solve for x
x = 557,625,756,706.90/842,282.41 - Step 6: Final answer
x = 662,041.32
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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.