Finding the Fourth Proportional to 648,416.42, 972,603.87 and 293,430.44
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Solution
The fourth proportional to 648,416.42, 972,603.87 and 293,430.44 is: 440,136.26
Step by Step Solution
- Step 1: Write the proportion equation
648,416.42 : 972,603.87 = 293,430.44 : x - Step 2: Convert to fraction form
648,416.42/972,603.87 = 293,430.44/x - Step 3: Cross multiply
648,416.42x = 972,603.87 × 293,430.44 - Step 4: Simplify right side
648,416.42x = 285,391,576,656.78 - Step 5: Solve for x
x = 285,391,576,656.78/648,416.42 - Step 6: Final answer
x = 440,136.26
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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.