Finding the Fourth Proportional to 641,432.99, 961,485.12 and 527,920.50
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Solution
The fourth proportional to 641,432.99, 961,485.12 and 527,920.50 is: 791,333.96
Step by Step Solution
- Step 1: Write the proportion equation
641,432.99 : 961,485.12 = 527,920.50 : x - Step 2: Convert to fraction form
641,432.99/961,485.12 = 527,920.50/x - Step 3: Cross multiply
641,432.99x = 961,485.12 × 527,920.50 - Step 4: Simplify right side
641,432.99x = 507,587,708,898.53 - Step 5: Solve for x
x = 507,587,708,898.53/641,432.99 - Step 6: Final answer
x = 791,333.96
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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.