Finding the Fourth Proportional to 559,204.48, 771,711.06 and 317,482.12
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Solution
The fourth proportional to 559,204.48, 771,711.06 and 317,482.12 is: 438,130.37
Step by Step Solution
- Step 1: Write the proportion equation
559,204.48 : 771,711.06 = 317,482.12 : x - Step 2: Convert to fraction form
559,204.48/771,711.06 = 317,482.12/x - Step 3: Cross multiply
559,204.48x = 771,711.06 × 317,482.12 - Step 4: Simplify right side
559,204.48x = 245,004,463,356.25 - Step 5: Solve for x
x = 245,004,463,356.25/559,204.48 - Step 6: Final answer
x = 438,130.37
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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.