Finding the Fourth Proportional to 878,953.08, 1,212,979.14 and 497,037
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Solution
The fourth proportional to 878,953.08, 1,212,979.14 and 497,037 is: 685,924.57
Step by Step Solution
- Step 1: Write the proportion equation
878,953.08 : 1,212,979.14 = 497,037 : x - Step 2: Convert to fraction form
878,953.08/1,212,979.14 = 497,037/x - Step 3: Cross multiply
878,953.08x = 1,212,979.14 × 497,037 - Step 4: Simplify right side
878,953.08x = 602,895,512,808.18 - Step 5: Solve for x
x = 602,895,512,808.18/878,953.08 - Step 6: Final answer
x = 685,924.57
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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.