Finding the Fourth Proportional to 708,059.10, 977,175.99 and 402,190.14
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Solution
The fourth proportional to 708,059.10, 977,175.99 and 402,190.14 is: 555,053.31
Step by Step Solution
- Step 1: Write the proportion equation
708,059.10 : 977,175.99 = 402,190.14 : x - Step 2: Convert to fraction form
708,059.10/977,175.99 = 402,190.14/x - Step 3: Cross multiply
708,059.10x = 977,175.99 × 402,190.14 - Step 4: Simplify right side
708,059.10x = 393,010,548,222.74 - Step 5: Solve for x
x = 393,010,548,222.74/708,059.10 - Step 6: Final answer
x = 555,053.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.