Finding the Fourth Proportional to 772,588.76, 1,159,208.78 and 299,607.08
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Solution
The fourth proportional to 772,588.76, 1,159,208.78 and 299,607.08 is: 449,536.90
Step by Step Solution
- Step 1: Write the proportion equation
772,588.76 : 1,159,208.78 = 299,607.08 : x - Step 2: Convert to fraction form
772,588.76/1,159,208.78 = 299,607.08/x - Step 3: Cross multiply
772,588.76x = 1,159,208.78 × 299,607.08 - Step 4: Simplify right side
772,588.76x = 347,307,157,686.16 - Step 5: Solve for x
x = 347,307,157,686.16/772,588.76 - Step 6: Final answer
x = 449,536.90
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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.