Finding the Fourth Proportional to 977,986.02, 1,466,854.42 and 378,537.08
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Solution
The fourth proportional to 977,986.02, 1,466,854.42 and 378,537.08 is: 567,757.39
Step by Step Solution
- Step 1: Write the proportion equation
977,986.02 : 1,466,854.42 = 378,537.08 : x - Step 2: Convert to fraction form
977,986.02/1,466,854.42 = 378,537.08/x - Step 3: Cross multiply
977,986.02x = 1,466,854.42 × 378,537.08 - Step 4: Simplify right side
977,986.02x = 555,258,788,931.89 - Step 5: Solve for x
x = 555,258,788,931.89/977,986.02 - Step 6: Final answer
x = 567,757.39
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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.