Finding the Fourth Proportional to 583,333.20, 804,763.08 and 357,109.92
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Solution
The fourth proportional to 583,333.20, 804,763.08 and 357,109.92 is: 492,666.76
Step by Step Solution
- Step 1: Write the proportion equation
583,333.20 : 804,763.08 = 357,109.92 : x - Step 2: Convert to fraction form
583,333.20/804,763.08 = 357,109.92/x - Step 3: Cross multiply
583,333.20x = 804,763.08 × 357,109.92 - Step 4: Simplify right side
583,333.20x = 287,388,879,117.75 - Step 5: Solve for x
x = 287,388,879,117.75/583,333.20 - Step 6: Final answer
x = 492,666.76
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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.