Finding the Fourth Proportional to 704,124.08, 971,691.48 and 381,834.09
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Solution
The fourth proportional to 704,124.08, 971,691.48 and 381,834.09 is: 526,931.18
Step by Step Solution
- Step 1: Write the proportion equation
704,124.08 : 971,691.48 = 381,834.09 : x - Step 2: Convert to fraction form
704,124.08/971,691.48 = 381,834.09/x - Step 3: Cross multiply
704,124.08x = 971,691.48 × 381,834.09 - Step 4: Simplify right side
704,124.08x = 371,024,932,026.55 - Step 5: Solve for x
x = 371,024,932,026.55/704,124.08 - Step 6: Final answer
x = 526,931.18
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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.