Finding the Fourth Proportional to 958,357.80, 1,437,536.70 and 284,543.10
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Solution
The fourth proportional to 958,357.80, 1,437,536.70 and 284,543.10 is: 426,814.65
Step by Step Solution
- Step 1: Write the proportion equation
958,357.80 : 1,437,536.70 = 284,543.10 : x - Step 2: Convert to fraction form
958,357.80/1,437,536.70 = 284,543.10/x - Step 3: Cross multiply
958,357.80x = 1,437,536.70 × 284,543.10 - Step 4: Simplify right side
958,357.80x = 409,041,148,981.77 - Step 5: Solve for x
x = 409,041,148,981.77/958,357.80 - Step 6: Final answer
x = 426,814.65
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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.