Finding the Fourth Proportional to 837,807.68, 1,156,140.06 and 455,835.98
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Solution
The fourth proportional to 837,807.68, 1,156,140.06 and 455,835.98 is: 629,034.86
Step by Step Solution
- Step 1: Write the proportion equation
837,807.68 : 1,156,140.06 = 455,835.98 : x - Step 2: Convert to fraction form
837,807.68/1,156,140.06 = 455,835.98/x - Step 3: Cross multiply
837,807.68x = 1,156,140.06 × 455,835.98 - Step 4: Simplify right side
837,807.68x = 527,010,237,267.36 - Step 5: Solve for x
x = 527,010,237,267.36/837,807.68 - Step 6: Final answer
x = 629,034.86
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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.