Finding the Fourth Proportional to 527,870.40, 792,145.80 and 291,382.80
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Solution
The fourth proportional to 527,870.40, 792,145.80 and 291,382.80 is: 437,261.99
Step by Step Solution
- Step 1: Write the proportion equation
527,870.40 : 792,145.80 = 291,382.80 : x - Step 2: Convert to fraction form
527,870.40/792,145.80 = 291,382.80/x - Step 3: Cross multiply
527,870.40x = 792,145.80 × 291,382.80 - Step 4: Simplify right side
527,870.40x = 230,817,661,212.24 - Step 5: Solve for x
x = 230,817,661,212.24/527,870.40 - Step 6: Final answer
x = 437,261.99
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1.5x scale
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.