Finding the Fourth Proportional to 983,438.60, 1,471,658.70 and 682,507.40
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Solution
The fourth proportional to 983,438.60, 1,471,658.70 and 682,507.40 is: 1,021,332.65
Step by Step Solution
- Step 1: Write the proportion equation
983,438.60 : 1,471,658.70 = 682,507.40 : x - Step 2: Convert to fraction form
983,438.60/1,471,658.70 = 682,507.40/x - Step 3: Cross multiply
983,438.60x = 1,471,658.70 × 682,507.40 - Step 4: Simplify right side
983,438.60x = 1,004,417,953,024.38 - Step 5: Solve for x
x = 1,004,417,953,024.38/983,438.60 - Step 6: Final answer
x = 1,021,332.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.