Finding the Fourth Proportional to 551,402.05, 827,103.08 and 411,434.05
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Solution
The fourth proportional to 551,402.05, 827,103.08 and 411,434.05 is: 617,151.08
Step by Step Solution
- Step 1: Write the proportion equation
551,402.05 : 827,103.08 = 411,434.05 : x - Step 2: Convert to fraction form
551,402.05/827,103.08 = 411,434.05/x - Step 3: Cross multiply
551,402.05x = 827,103.08 × 411,434.05 - Step 4: Simplify right side
551,402.05x = 340,298,369,971.87 - Step 5: Solve for x
x = 340,298,369,971.87/551,402.05 - Step 6: Final answer
x = 617,151.08
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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.