Finding the Fourth Proportional to 960,080.19, 1,440,115.05 and 391,459.08
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Solution
The fourth proportional to 960,080.19, 1,440,115.05 and 391,459.08 is: 587,186.49
Step by Step Solution
- Step 1: Write the proportion equation
960,080.19 : 1,440,115.05 = 391,459.08 : x - Step 2: Convert to fraction form
960,080.19/1,440,115.05 = 391,459.08/x - Step 3: Cross multiply
960,080.19x = 1,440,115.05 × 391,459.08 - Step 4: Simplify right side
960,080.19x = 563,746,112,567.15 - Step 5: Solve for x
x = 563,746,112,567.15/960,080.19 - Step 6: Final answer
x = 587,186.49
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.