Finding the Fourth Proportional to 544,523.99, 751,332.98 and 318,125.75
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Solution
The fourth proportional to 544,523.99, 751,332.98 and 318,125.75 is: 438,949.19
Step by Step Solution
- Step 1: Write the proportion equation
544,523.99 : 751,332.98 = 318,125.75 : x - Step 2: Convert to fraction form
544,523.99/751,332.98 = 318,125.75/x - Step 3: Cross multiply
544,523.99x = 751,332.98 × 318,125.75 - Step 4: Simplify right side
544,523.99x = 239,018,364,800.88 - Step 5: Solve for x
x = 239,018,364,800.88/544,523.99 - Step 6: Final answer
x = 438,949.19
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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.