Finding the Fourth Proportional to 624,970.99, 862,460.00 and 338,491.10
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Solution
The fourth proportional to 624,970.99, 862,460.00 and 338,491.10 is: 467,117.74
Step by Step Solution
- Step 1: Write the proportion equation
624,970.99 : 862,460.00 = 338,491.10 : x - Step 2: Convert to fraction form
624,970.99/862,460.00 = 338,491.10/x - Step 3: Cross multiply
624,970.99x = 862,460.00 × 338,491.10 - Step 4: Simplify right side
624,970.99x = 291,935,037,743.05 - Step 5: Solve for x
x = 291,935,037,743.05/624,970.99 - Step 6: Final answer
x = 467,117.74
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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.