Finding the Fourth Proportional to 611,585.39, 913,259.39 and 499,487.99
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Solution
The fourth proportional to 611,585.39, 913,259.39 and 499,487.99 is: 745,868.19
Step by Step Solution
- Step 1: Write the proportion equation
611,585.39 : 913,259.39 = 499,487.99 : x - Step 2: Convert to fraction form
611,585.39/913,259.39 = 499,487.99/x - Step 3: Cross multiply
611,585.39x = 913,259.39 × 499,487.99 - Step 4: Simplify right side
611,585.39x = 456,162,089,995.99 - Step 5: Solve for x
x = 456,162,089,995.99/611,585.39 - Step 6: Final answer
x = 745,868.19
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.