Finding the Fourth Proportional to 987,065.70, 1,480,598.55 and 668,201.10
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Solution
The fourth proportional to 987,065.70, 1,480,598.55 and 668,201.10 is: 1,002,301.65
Step by Step Solution
- Step 1: Write the proportion equation
987,065.70 : 1,480,598.55 = 668,201.10 : x - Step 2: Convert to fraction form
987,065.70/1,480,598.55 = 668,201.10/x - Step 3: Cross multiply
987,065.70x = 1,480,598.55 × 668,201.10 - Step 4: Simplify right side
987,065.70x = 989,337,579,768.41 - Step 5: Solve for x
x = 989,337,579,768.41/987,065.70 - Step 6: Final answer
x = 1,002,301.65
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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.