Finding the Fourth Proportional to 558,853.20, 838,279.80 and 444,691.80
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Solution
The fourth proportional to 558,853.20, 838,279.80 and 444,691.80 is: 667,037.70
Step by Step Solution
- Step 1: Write the proportion equation
558,853.20 : 838,279.80 = 444,691.80 : x - Step 2: Convert to fraction form
558,853.20/838,279.80 = 444,691.80/x - Step 3: Cross multiply
558,853.20x = 838,279.80 × 444,691.80 - Step 4: Simplify right side
558,853.20x = 372,776,153,165.64 - Step 5: Solve for x
x = 372,776,153,165.64/558,853.20 - Step 6: Final answer
x = 667,037.70
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Similar ratio
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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.