Finding the Fourth Proportional to 947,553.39, 1,421,174.36 and 340,215.98
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Solution
The fourth proportional to 947,553.39, 1,421,174.36 and 340,215.98 is: 510,268.05
Step by Step Solution
- Step 1: Write the proportion equation
947,553.39 : 1,421,174.36 = 340,215.98 : x - Step 2: Convert to fraction form
947,553.39/1,421,174.36 = 340,215.98/x - Step 3: Cross multiply
947,553.39x = 1,421,174.36 × 340,215.98 - Step 4: Simplify right side
947,553.39x = 483,506,221,382.94 - Step 5: Solve for x
x = 483,506,221,382.94/947,553.39 - Step 6: Final answer
x = 510,268.05
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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.