Finding the Fourth Proportional to 960,381.36, 1,325,290.68 and 530,652.60
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Solution
The fourth proportional to 960,381.36, 1,325,290.68 and 530,652.60 is: 732,280.92
Step by Step Solution
- Step 1: Write the proportion equation
960,381.36 : 1,325,290.68 = 530,652.60 : x - Step 2: Convert to fraction form
960,381.36/1,325,290.68 = 530,652.60/x - Step 3: Cross multiply
960,381.36x = 1,325,290.68 × 530,652.60 - Step 4: Simplify right side
960,381.36x = 703,268,945,097.77 - Step 5: Solve for x
x = 703,268,945,097.77/960,381.36 - Step 6: Final answer
x = 732,280.92
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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.