Finding the Fourth Proportional to 558,952.65, 771,290.37 and 317,187.09
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Solution
The fourth proportional to 558,952.65, 771,290.37 and 317,187.09 is: 437,681.70
Step by Step Solution
- Step 1: Write the proportion equation
558,952.65 : 771,290.37 = 317,187.09 : x - Step 2: Convert to fraction form
558,952.65/771,290.37 = 317,187.09/x - Step 3: Cross multiply
558,952.65x = 771,290.37 × 317,187.09 - Step 4: Simplify right side
558,952.65x = 244,643,348,005.32 - Step 5: Solve for x
x = 244,643,348,005.32/558,952.65 - Step 6: Final answer
x = 437,681.70
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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.