Finding the Fourth Proportional to 477,746.78, 659,562.48 and 316,819.08
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Solution
The fourth proportional to 477,746.78, 659,562.48 and 316,819.08 is: 437,390.66
Step by Step Solution
- Step 1: Write the proportion equation
477,746.78 : 659,562.48 = 316,819.08 : x - Step 2: Convert to fraction form
477,746.78/659,562.48 = 316,819.08/x - Step 3: Cross multiply
477,746.78x = 659,562.48 × 316,819.08 - Step 4: Simplify right side
477,746.78x = 208,961,978,116.12 - Step 5: Solve for x
x = 208,961,978,116.12/477,746.78 - Step 6: Final answer
x = 437,390.66
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.