Finding the Fourth Proportional to 715,985.16, 1,074,444.99 and 267,065.14
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Solution
The fourth proportional to 715,985.16, 1,074,444.99 and 267,065.14 is: 400,772.00
Step by Step Solution
- Step 1: Write the proportion equation
715,985.16 : 1,074,444.99 = 267,065.14 : x - Step 2: Convert to fraction form
715,985.16/1,074,444.99 = 267,065.14/x - Step 3: Cross multiply
715,985.16x = 1,074,444.99 × 267,065.14 - Step 4: Simplify right side
715,985.16x = 286,946,801,676.65 - Step 5: Solve for x
x = 286,946,801,676.65/715,985.16 - Step 6: Final answer
x = 400,772.00
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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.