Finding the Fourth Proportional to 528,027.70, 792,041.55 and 496,923.70
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Solution
The fourth proportional to 528,027.70, 792,041.55 and 496,923.70 is: 745,385.55
Step by Step Solution
- Step 1: Write the proportion equation
528,027.70 : 792,041.55 = 496,923.70 : x - Step 2: Convert to fraction form
528,027.70/792,041.55 = 496,923.70/x - Step 3: Cross multiply
528,027.70x = 792,041.55 × 496,923.70 - Step 4: Simplify right side
528,027.70x = 393,584,217,579.74 - Step 5: Solve for x
x = 393,584,217,579.74/528,027.70 - Step 6: Final answer
x = 745,385.55
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Similar ratio
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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.