Finding the Fourth Proportional to 746,455.07, 1,030,134.44 and 424,178.75
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Solution
The fourth proportional to 746,455.07, 1,030,134.44 and 424,178.75 is: 585,381.70
Step by Step Solution
- Step 1: Write the proportion equation
746,455.07 : 1,030,134.44 = 424,178.75 : x - Step 2: Convert to fraction form
746,455.07/1,030,134.44 = 424,178.75/x - Step 3: Cross multiply
746,455.07x = 1,030,134.44 × 424,178.75 - Step 4: Simplify right side
746,455.07x = 436,961,139,091.15 - Step 5: Solve for x
x = 436,961,139,091.15/746,455.07 - Step 6: Final answer
x = 585,381.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.