Finding the Fourth Proportional to 977,078.48, 1,472,273.67 and 803,474.42
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Solution
The fourth proportional to 977,078.48, 1,472,273.67 and 803,474.42 is: 1,210,684.97
Step by Step Solution
- Step 1: Write the proportion equation
977,078.48 : 1,472,273.67 = 803,474.42 : x - Step 2: Convert to fraction form
977,078.48/1,472,273.67 = 803,474.42/x - Step 3: Cross multiply
977,078.48x = 1,472,273.67 × 803,474.42 - Step 4: Simplify right side
977,078.48x = 1,182,934,225,723.15 - Step 5: Solve for x
x = 1,182,934,225,723.15/977,078.48 - Step 6: Final answer
x = 1,210,684.97
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.