Finding the Fourth Proportional to 977,988.04, 1,466,857.44 and 378,539.08
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Solution
The fourth proportional to 977,988.04, 1,466,857.44 and 378,539.08 is: 567,760.38
Step by Step Solution
- Step 1: Write the proportion equation
977,988.04 : 1,466,857.44 = 378,539.08 : x - Step 2: Convert to fraction form
977,988.04/1,466,857.44 = 378,539.08/x - Step 3: Cross multiply
977,988.04x = 1,466,857.44 × 378,539.08 - Step 4: Simplify right side
977,988.04x = 555,262,865,828.76 - Step 5: Solve for x
x = 555,262,865,828.76/977,988.04 - Step 6: Final answer
x = 567,760.38
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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.