Finding the Fourth Proportional to 649,490.40, 974,235.60 and 532,850.40
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Solution
The fourth proportional to 649,490.40, 974,235.60 and 532,850.40 is: 799,275.60
Step by Step Solution
- Step 1: Write the proportion equation
649,490.40 : 974,235.60 = 532,850.40 : x - Step 2: Convert to fraction form
649,490.40/974,235.60 = 532,850.40/x - Step 3: Cross multiply
649,490.40x = 974,235.60 × 532,850.40 - Step 4: Simplify right side
649,490.40x = 519,121,829,154.24 - Step 5: Solve for x
x = 519,121,829,154.24/649,490.40 - Step 6: Final answer
x = 799,275.60
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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.