Finding the Fourth Proportional to 960,397.72, 1,325,348.40 and 530,674.09
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Solution
The fourth proportional to 960,397.72, 1,325,348.40 and 530,674.09 is: 732,329.99
Step by Step Solution
- Step 1: Write the proportion equation
960,397.72 : 1,325,348.40 = 530,674.09 : x - Step 2: Convert to fraction form
960,397.72/1,325,348.40 = 530,674.09/x - Step 3: Cross multiply
960,397.72x = 1,325,348.40 × 530,674.09 - Step 4: Simplify right side
960,397.72x = 703,328,056,102.96 - Step 5: Solve for x
x = 703,328,056,102.96/960,397.72 - Step 6: Final answer
x = 732,329.99
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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.