Finding the Fourth Proportional to 858,521.83, 1,184,764.70 and 536,418.71
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Solution
The fourth proportional to 858,521.83, 1,184,764.70 and 536,418.71 is: 740,260.68
Step by Step Solution
- Step 1: Write the proportion equation
858,521.83 : 1,184,764.70 = 536,418.71 : x - Step 2: Convert to fraction form
858,521.83/1,184,764.70 = 536,418.71/x - Step 3: Cross multiply
858,521.83x = 1,184,764.70 × 536,418.71 - Step 4: Simplify right side
858,521.83x = 635,529,952,027.54 - Step 5: Solve for x
x = 635,529,952,027.54/858,521.83 - Step 6: Final answer
x = 740,260.68
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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.