Finding the Fourth Proportional to 783,900.18, 1,175,850.81 and 517,598.10
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Solution
The fourth proportional to 783,900.18, 1,175,850.81 and 517,598.10 is: 776,397.51
Step by Step Solution
- Step 1: Write the proportion equation
783,900.18 : 1,175,850.81 = 517,598.10 : x - Step 2: Convert to fraction form
783,900.18/1,175,850.81 = 517,598.10/x - Step 3: Cross multiply
783,900.18x = 1,175,850.81 × 517,598.10 - Step 4: Simplify right side
783,900.18x = 608,618,145,139.46 - Step 5: Solve for x
x = 608,618,145,139.46/783,900.18 - Step 6: Final answer
x = 776,397.51
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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.