Finding the Fourth Proportional to 1,478,494.08, 2,216,856.60 and 718,840.44
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Solution
The fourth proportional to 1,478,494.08, 2,216,856.60 and 718,840.44 is: 1,077,830.61
Step by Step Solution
- Step 1: Write the proportion equation
1,478,494.08 : 2,216,856.60 = 718,840.44 : x - Step 2: Convert to fraction form
1,478,494.08/2,216,856.60 = 718,840.44/x - Step 3: Cross multiply
1,478,494.08x = 2,216,856.60 × 718,840.44 - Step 4: Simplify right side
1,478,494.08x = 1,593,566,173,760.90 - Step 5: Solve for x
x = 1,593,566,173,760.90/1,478,494.08 - Step 6: Final answer
x = 1,077,830.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.