Finding the Fourth Proportional to 766,595.12, 1,057,901.36 and 444,492.08
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Solution
The fourth proportional to 766,595.12, 1,057,901.36 and 444,492.08 is: 613,399.12
Step by Step Solution
- Step 1: Write the proportion equation
766,595.12 : 1,057,901.36 = 444,492.08 : x - Step 2: Convert to fraction form
766,595.12/1,057,901.36 = 444,492.08/x - Step 3: Cross multiply
766,595.12x = 1,057,901.36 × 444,492.08 - Step 4: Simplify right side
766,595.12x = 470,228,768,429.26 - Step 5: Solve for x
x = 470,228,768,429.26/766,595.12 - Step 6: Final answer
x = 613,399.12
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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.