Finding the Fourth Proportional to 977,990.04, 1,466,860.44 and 378,541.08
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Solution
The fourth proportional to 977,990.04, 1,466,860.44 and 378,541.08 is: 567,763.38
Step by Step Solution
- Step 1: Write the proportion equation
977,990.04 : 1,466,860.44 = 378,541.08 : x - Step 2: Convert to fraction form
977,990.04/1,466,860.44 = 378,541.08/x - Step 3: Cross multiply
977,990.04x = 1,466,860.44 × 378,541.08 - Step 4: Simplify right side
977,990.04x = 555,266,935,166.88 - Step 5: Solve for x
x = 555,266,935,166.88/977,990.04 - Step 6: Final answer
x = 567,763.38
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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.