Finding the Fourth Proportional to 528,778.98, 729,808.20 and 299,349.36
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Solution
The fourth proportional to 528,778.98, 729,808.20 and 299,349.36 is: 413,154.88
Step by Step Solution
- Step 1: Write the proportion equation
528,778.98 : 729,808.20 = 299,349.36 : x - Step 2: Convert to fraction form
528,778.98/729,808.20 = 299,349.36/x - Step 3: Cross multiply
528,778.98x = 729,808.20 × 299,349.36 - Step 4: Simplify right side
528,778.98x = 218,467,617,592.75 - Step 5: Solve for x
x = 218,467,617,592.75/528,778.98 - Step 6: Final answer
x = 413,154.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.