Finding the Fourth Proportional to 832,286.96, 1,148,547.84 and 450,305.36
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Solution
The fourth proportional to 832,286.96, 1,148,547.84 and 450,305.36 is: 621,416.98
Step by Step Solution
- Step 1: Write the proportion equation
832,286.96 : 1,148,547.84 = 450,305.36 : x - Step 2: Convert to fraction form
832,286.96/1,148,547.84 = 450,305.36/x - Step 3: Cross multiply
832,286.96x = 1,148,547.84 × 450,305.36 - Step 4: Simplify right side
832,286.96x = 517,197,248,568.42 - Step 5: Solve for x
x = 517,197,248,568.42/832,286.96 - Step 6: Final answer
x = 621,416.98
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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.