Finding the Fourth Proportional to 406,412.19, 609,396.08 and 322,710.03
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Solution
The fourth proportional to 406,412.19, 609,396.08 and 322,710.03 is: 483,888.60
Step by Step Solution
- Step 1: Write the proportion equation
406,412.19 : 609,396.08 = 322,710.03 : x - Step 2: Convert to fraction form
406,412.19/609,396.08 = 322,710.03/x - Step 3: Cross multiply
406,412.19x = 609,396.08 × 322,710.03 - Step 4: Simplify right side
406,412.19x = 196,658,225,645.13 - Step 5: Solve for x
x = 196,658,225,645.13/406,412.19 - Step 6: Final answer
x = 483,888.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.