Finding the Fourth Proportional to 708,493.23, 1,062,905.91 and 282,055.14
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Solution
The fourth proportional to 708,493.23, 1,062,905.91 and 282,055.14 is: 423,148.82
Step by Step Solution
- Step 1: Write the proportion equation
708,493.23 : 1,062,905.91 = 282,055.14 : x - Step 2: Convert to fraction form
708,493.23/1,062,905.91 = 282,055.14/x - Step 3: Cross multiply
708,493.23x = 1,062,905.91 × 282,055.14 - Step 4: Simplify right side
708,493.23x = 299,798,075,251.88 - Step 5: Solve for x
x = 299,798,075,251.88/708,493.23 - Step 6: Final answer
x = 423,148.82
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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.