Finding the Fourth Proportional to 987,064.07, 1,480,596.09 and 355,977.87
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Solution
The fourth proportional to 987,064.07, 1,480,596.09 and 355,977.87 is: 533,966.80
Step by Step Solution
- Step 1: Write the proportion equation
987,064.07 : 1,480,596.09 = 355,977.87 : x - Step 2: Convert to fraction form
987,064.07/1,480,596.09 = 355,977.87/x - Step 3: Cross multiply
987,064.07x = 1,480,596.09 × 355,977.87 - Step 4: Simplify right side
987,064.07x = 527,059,442,448.53 - Step 5: Solve for x
x = 527,059,442,448.53/987,064.07 - Step 6: Final answer
x = 533,966.80
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1.5x scale
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.