Finding the Fourth Proportional to 644,088.08, 887,379.45 and 498,392.93
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Solution
The fourth proportional to 644,088.08, 887,379.45 and 498,392.93 is: 686,650.88
Step by Step Solution
- Step 1: Write the proportion equation
644,088.08 : 887,379.45 = 498,392.93 : x - Step 2: Convert to fraction form
644,088.08/887,379.45 = 498,392.93/x - Step 3: Cross multiply
644,088.08x = 887,379.45 × 498,392.93 - Step 4: Simplify right side
644,088.08x = 442,263,644,107.29 - Step 5: Solve for x
x = 442,263,644,107.29/644,088.08 - Step 6: Final answer
x = 686,650.88
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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.