Finding the Fourth Proportional to 766,595.84, 1,057,909.35 and 422,444.08
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Solution
The fourth proportional to 766,595.84, 1,057,909.35 and 422,444.08 is: 582,976.74
Step by Step Solution
- Step 1: Write the proportion equation
766,595.84 : 1,057,909.35 = 422,444.08 : x - Step 2: Convert to fraction form
766,595.84/1,057,909.35 = 422,444.08/x - Step 3: Cross multiply
766,595.84x = 1,057,909.35 × 422,444.08 - Step 4: Simplify right side
766,595.84x = 446,907,541,648.45 - Step 5: Solve for x
x = 446,907,541,648.45/766,595.84 - Step 6: Final answer
x = 582,976.74
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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.