Finding the Fourth Proportional to 651,058.20, 975,032.10 and 399,115.80
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Solution
The fourth proportional to 651,058.20, 975,032.10 and 399,115.80 is: 597,720.32
Step by Step Solution
- Step 1: Write the proportion equation
651,058.20 : 975,032.10 = 399,115.80 : x - Step 2: Convert to fraction form
651,058.20/975,032.10 = 399,115.80/x - Step 3: Cross multiply
651,058.20x = 975,032.10 × 399,115.80 - Step 4: Simplify right side
651,058.20x = 389,150,716,617.18 - Step 5: Solve for x
x = 389,150,716,617.18/651,058.20 - Step 6: Final answer
x = 597,720.32
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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.