Finding the Fourth Proportional to 535,418.24, 803,840.10 and 310,939.79
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Solution
The fourth proportional to 535,418.24, 803,840.10 and 310,939.79 is: 466,823.60
Step by Step Solution
- Step 1: Write the proportion equation
535,418.24 : 803,840.10 = 310,939.79 : x - Step 2: Convert to fraction form
535,418.24/803,840.10 = 310,939.79/x - Step 3: Cross multiply
535,418.24x = 803,840.10 × 310,939.79 - Step 4: Simplify right side
535,418.24x = 249,945,866,313.68 - Step 5: Solve for x
x = 249,945,866,313.68/535,418.24 - Step 6: Final answer
x = 466,823.60
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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.