Finding the Fourth Proportional to 508,427.46, 700,283.01 and 378,950.99
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Solution
The fourth proportional to 508,427.46, 700,283.01 and 378,950.99 is: 521,948.48
Step by Step Solution
- Step 1: Write the proportion equation
508,427.46 : 700,283.01 = 378,950.99 : x - Step 2: Convert to fraction form
508,427.46/700,283.01 = 378,950.99/x - Step 3: Cross multiply
508,427.46x = 700,283.01 × 378,950.99 - Step 4: Simplify right side
508,427.46x = 265,372,941,670.39 - Step 5: Solve for x
x = 265,372,941,670.39/508,427.46 - Step 6: Final answer
x = 521,948.48
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1.5x scale
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.