Finding the Fourth Proportional to 649,863.80, 974,795.70 and 334,935.80
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Solution
The fourth proportional to 649,863.80, 974,795.70 and 334,935.80 is: 502,403.70
Step by Step Solution
- Step 1: Write the proportion equation
649,863.80 : 974,795.70 = 334,935.80 : x - Step 2: Convert to fraction form
649,863.80/974,795.70 = 334,935.80/x - Step 3: Cross multiply
649,863.80x = 974,795.70 × 334,935.80 - Step 4: Simplify right side
649,863.80x = 326,493,977,616.06 - Step 5: Solve for x
x = 326,493,977,616.06/649,863.80 - Step 6: Final answer
x = 502,403.70
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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.