Finding the Fourth Proportional to 646,726.20, 892,497.74 and 360,250.84
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Solution
The fourth proportional to 646,726.20, 892,497.74 and 360,250.84 is: 497,154.84
Step by Step Solution
- Step 1: Write the proportion equation
646,726.20 : 892,497.74 = 360,250.84 : x - Step 2: Convert to fraction form
646,726.20/892,497.74 = 360,250.84/x - Step 3: Cross multiply
646,726.20x = 892,497.74 × 360,250.84 - Step 4: Simplify right side
646,726.20x = 321,523,060,533.10 - Step 5: Solve for x
x = 321,523,060,533.10/646,726.20 - Step 6: Final answer
x = 497,154.84
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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.