Finding the Fourth Proportional to 415,816.04, 624,775.08 and 399,000.98
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Solution
The fourth proportional to 415,816.04, 624,775.08 and 399,000.98 is: 599,509.99
Step by Step Solution
- Step 1: Write the proportion equation
415,816.04 : 624,775.08 = 399,000.98 : x - Step 2: Convert to fraction form
415,816.04/624,775.08 = 399,000.98/x - Step 3: Cross multiply
415,816.04x = 624,775.08 × 399,000.98 - Step 4: Simplify right side
415,816.04x = 249,285,869,199.58 - Step 5: Solve for x
x = 249,285,869,199.58/415,816.04 - Step 6: Final answer
x = 599,509.99
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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.