Finding the Fourth Proportional to 945,756.12, 1,305,337.68 and 578,296.08
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Solution
The fourth proportional to 945,756.12, 1,305,337.68 and 578,296.08 is: 798,167.36
Step by Step Solution
- Step 1: Write the proportion equation
945,756.12 : 1,305,337.68 = 578,296.08 : x - Step 2: Convert to fraction form
945,756.12/1,305,337.68 = 578,296.08/x - Step 3: Cross multiply
945,756.12x = 1,305,337.68 × 578,296.08 - Step 4: Simplify right side
945,756.12x = 754,871,663,420.29 - Step 5: Solve for x
x = 754,871,663,420.29/945,756.12 - Step 6: Final answer
x = 798,167.36
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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.