Finding the Fourth Proportional to 960,798.12, 1,440,071.55 and 391,824.42
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Solution
The fourth proportional to 960,798.12, 1,440,071.55 and 391,824.42 is: 587,277.59
Step by Step Solution
- Step 1: Write the proportion equation
960,798.12 : 1,440,071.55 = 391,824.42 : x - Step 2: Convert to fraction form
960,798.12/1,440,071.55 = 391,824.42/x - Step 3: Cross multiply
960,798.12x = 1,440,071.55 × 391,824.42 - Step 4: Simplify right side
960,798.12x = 564,255,199,837.25 - Step 5: Solve for x
x = 564,255,199,837.25/960,798.12 - Step 6: Final answer
x = 587,277.59
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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.