Finding the Fourth Proportional to 523,909.94, 785,305.35 and 298,785.65
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Solution
The fourth proportional to 523,909.94, 785,305.35 and 298,785.65 is: 447,859.35
Step by Step Solution
- Step 1: Write the proportion equation
523,909.94 : 785,305.35 = 298,785.65 : x - Step 2: Convert to fraction form
523,909.94/785,305.35 = 298,785.65/x - Step 3: Cross multiply
523,909.94x = 785,305.35 × 298,785.65 - Step 4: Simplify right side
523,909.94x = 234,637,965,521.70 - Step 5: Solve for x
x = 234,637,965,521.70/523,909.94 - Step 6: Final answer
x = 447,859.35
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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.