Finding the Fourth Proportional to 704,225.58, 971,741.97 and 417,689.70
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Solution
The fourth proportional to 704,225.58, 971,741.97 and 417,689.70 is: 576,358.80
Step by Step Solution
- Step 1: Write the proportion equation
704,225.58 : 971,741.97 = 417,689.70 : x - Step 2: Convert to fraction form
704,225.58/971,741.97 = 417,689.70/x - Step 3: Cross multiply
704,225.58x = 971,741.97 × 417,689.70 - Step 4: Simplify right side
704,225.58x = 405,886,611,926.71 - Step 5: Solve for x
x = 405,886,611,926.71/704,225.58 - Step 6: Final answer
x = 576,358.80
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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.