Finding the Fourth Proportional to 572,526.30, 790,110.97 and 317,877.50
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Solution
The fourth proportional to 572,526.30, 790,110.97 and 317,877.50 is: 438,684.65
Step by Step Solution
- Step 1: Write the proportion equation
572,526.30 : 790,110.97 = 317,877.50 : x - Step 2: Convert to fraction form
572,526.30/790,110.97 = 317,877.50/x - Step 3: Cross multiply
572,526.30x = 790,110.97 × 317,877.50 - Step 4: Simplify right side
572,526.30x = 251,158,499,866.18 - Step 5: Solve for x
x = 251,158,499,866.18/572,526.30 - Step 6: Final answer
x = 438,684.65
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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.