Finding the Fourth Proportional to 670,439.21, 925,192.68 and 364,521.65
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Solution
The fourth proportional to 670,439.21, 925,192.68 and 364,521.65 is: 503,032.58
Step by Step Solution
- Step 1: Write the proportion equation
670,439.21 : 925,192.68 = 364,521.65 : x - Step 2: Convert to fraction form
670,439.21/925,192.68 = 364,521.65/x - Step 3: Cross multiply
670,439.21x = 925,192.68 × 364,521.65 - Step 4: Simplify right side
670,439.21x = 337,252,762,281.52 - Step 5: Solve for x
x = 337,252,762,281.52/670,439.21 - Step 6: Final answer
x = 503,032.58
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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.