Finding the Fourth Proportional to 577,338.98, 796,695.65 and 319,200.99
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Solution
The fourth proportional to 577,338.98, 796,695.65 and 319,200.99 is: 440,479.60
Step by Step Solution
- Step 1: Write the proportion equation
577,338.98 : 796,695.65 = 319,200.99 : x - Step 2: Convert to fraction form
577,338.98/796,695.65 = 319,200.99/x - Step 3: Cross multiply
577,338.98x = 796,695.65 × 319,200.99 - Step 4: Simplify right side
577,338.98x = 254,306,038,612.69 - Step 5: Solve for x
x = 254,306,038,612.69/577,338.98 - Step 6: Final answer
x = 440,479.60
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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.