Finding the Fourth Proportional to 723,841.80, 998,854.62 and 401,551.08
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Solution
The fourth proportional to 723,841.80, 998,854.62 and 401,551.08 is: 554,114.38
Step by Step Solution
- Step 1: Write the proportion equation
723,841.80 : 998,854.62 = 401,551.08 : x - Step 2: Convert to fraction form
723,841.80/998,854.62 = 401,551.08/x - Step 3: Cross multiply
723,841.80x = 998,854.62 × 401,551.08 - Step 4: Simplify right side
723,841.80x = 401,091,151,423.99 - Step 5: Solve for x
x = 401,091,151,423.99/723,841.80 - Step 6: Final answer
x = 554,114.38
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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.