Finding the Fourth Proportional to 641,701.83, 963,498.98 and 357,946.79
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Solution
The fourth proportional to 641,701.83, 963,498.98 and 357,946.79 is: 537,447.99
Step by Step Solution
- Step 1: Write the proportion equation
641,701.83 : 963,498.98 = 357,946.79 : x - Step 2: Convert to fraction form
641,701.83/963,498.98 = 357,946.79/x - Step 3: Cross multiply
641,701.83x = 963,498.98 × 357,946.79 - Step 4: Simplify right side
641,701.83x = 344,881,360,452.05 - Step 5: Solve for x
x = 344,881,360,452.05/641,701.83 - Step 6: Final answer
x = 537,447.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.