Finding the Fourth Proportional to 577,340.87, 796,698.21 and 319,202.88
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Solution
The fourth proportional to 577,340.87, 796,698.21 and 319,202.88 is: 440,482.18
Step by Step Solution
- Step 1: Write the proportion equation
577,340.87 : 796,698.21 = 319,202.88 : x - Step 2: Convert to fraction form
577,340.87/796,698.21 = 319,202.88/x - Step 3: Cross multiply
577,340.87x = 796,698.21 × 319,202.88 - Step 4: Simplify right side
577,340.87x = 254,308,361,332.24 - Step 5: Solve for x
x = 254,308,361,332.24/577,340.87 - Step 6: Final answer
x = 440,482.18
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1.5x scale
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.