Finding the Fourth Proportional to 888,421.68, 1,226,050.92 and 486,013.68
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Solution
The fourth proportional to 888,421.68, 1,226,050.92 and 486,013.68 is: 670,714.74
Step by Step Solution
- Step 1: Write the proportion equation
888,421.68 : 1,226,050.92 = 486,013.68 : x - Step 2: Convert to fraction form
888,421.68/1,226,050.92 = 486,013.68/x - Step 3: Cross multiply
888,421.68x = 1,226,050.92 × 486,013.68 - Step 4: Simplify right side
888,421.68x = 595,877,519,496.59 - Step 5: Solve for x
x = 595,877,519,496.59/888,421.68 - Step 6: Final answer
x = 670,714.74
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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.