Finding the Fourth Proportional to 740,445.59, 1,110,709.92 and 207,925.09
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Solution
The fourth proportional to 740,445.59, 1,110,709.92 and 207,925.09 is: 311,899.30
Step by Step Solution
- Step 1: Write the proportion equation
740,445.59 : 1,110,709.92 = 207,925.09 : x - Step 2: Convert to fraction form
740,445.59/1,110,709.92 = 207,925.09/x - Step 3: Cross multiply
740,445.59x = 1,110,709.92 × 207,925.09 - Step 4: Simplify right side
740,445.59x = 230,944,460,079.89 - Step 5: Solve for x
x = 230,944,460,079.89/740,445.59 - Step 6: Final answer
x = 311,899.30
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1.5x scale
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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.