Finding the Fourth Proportional to 559,691.94, 772,392.90 and 317,970.12
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Solution
The fourth proportional to 559,691.94, 772,392.90 and 317,970.12 is: 438,809.00
Step by Step Solution
- Step 1: Write the proportion equation
559,691.94 : 772,392.90 = 317,970.12 : x - Step 2: Convert to fraction form
559,691.94/772,392.90 = 317,970.12/x - Step 3: Cross multiply
559,691.94x = 772,392.90 × 317,970.12 - Step 4: Simplify right side
559,691.94x = 245,597,863,100.15 - Step 5: Solve for x
x = 245,597,863,100.15/559,691.94 - Step 6: Final answer
x = 438,809.00
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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.