Finding the Fourth Proportional to 513,027.60, 768,666.60 and 437,794.80
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Solution
The fourth proportional to 513,027.60, 768,666.60 and 437,794.80 is: 655,945.68
Step by Step Solution
- Step 1: Write the proportion equation
513,027.60 : 768,666.60 = 437,794.80 : x - Step 2: Convert to fraction form
513,027.60/768,666.60 = 437,794.80/x - Step 3: Cross multiply
513,027.60x = 768,666.60 × 437,794.80 - Step 4: Simplify right side
513,027.60x = 336,518,240,413.68 - Step 5: Solve for x
x = 336,518,240,413.68/513,027.60 - Step 6: Final answer
x = 655,945.68
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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.