Finding the Fourth Proportional to 887,772.08, 1,225,124.66 and 479,873.90
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Solution
The fourth proportional to 887,772.08, 1,225,124.66 and 479,873.90 is: 662,225.55
Step by Step Solution
- Step 1: Write the proportion equation
887,772.08 : 1,225,124.66 = 479,873.90 : x - Step 2: Convert to fraction form
887,772.08/1,225,124.66 = 479,873.90/x - Step 3: Cross multiply
887,772.08x = 1,225,124.66 × 479,873.90 - Step 4: Simplify right side
887,772.08x = 587,905,352,842.87 - Step 5: Solve for x
x = 587,905,352,842.87/887,772.08 - Step 6: Final answer
x = 662,225.55
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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.