Finding the Fourth Proportional to 486,238.02, 670,710.15 and 322,901.52
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Solution
The fourth proportional to 486,238.02, 670,710.15 and 322,901.52 is: 445,405.99
Step by Step Solution
- Step 1: Write the proportion equation
486,238.02 : 670,710.15 = 322,901.52 : x - Step 2: Convert to fraction form
486,238.02/670,710.15 = 322,901.52/x - Step 3: Cross multiply
486,238.02x = 670,710.15 × 322,901.52 - Step 4: Simplify right side
486,238.02x = 216,573,326,914.43 - Step 5: Solve for x
x = 216,573,326,914.43/486,238.02 - Step 6: Final answer
x = 445,405.99
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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.