Finding the Fourth Proportional to 888,647.22, 1,226,327.58 and 480,747.42
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Solution
The fourth proportional to 888,647.22, 1,226,327.58 and 480,747.42 is: 663,428.42
Step by Step Solution
- Step 1: Write the proportion equation
888,647.22 : 1,226,327.58 = 480,747.42 : x - Step 2: Convert to fraction form
888,647.22/1,226,327.58 = 480,747.42/x - Step 3: Cross multiply
888,647.22x = 1,226,327.58 × 480,747.42 - Step 4: Simplify right side
888,647.22x = 589,553,820,159.84 - Step 5: Solve for x
x = 589,553,820,159.84/888,647.22 - Step 6: Final answer
x = 663,428.42
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1.5x scale
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.