Finding the Fourth Proportional to 915,579.75, 1,263,515.25 and 507,698.79
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Solution
The fourth proportional to 915,579.75, 1,263,515.25 and 507,698.79 is: 700,632.75
Step by Step Solution
- Step 1: Write the proportion equation
915,579.75 : 1,263,515.25 = 507,698.79 : x - Step 2: Convert to fraction form
915,579.75/1,263,515.25 = 507,698.79/x - Step 3: Cross multiply
915,579.75x = 1,263,515.25 × 507,698.79 - Step 4: Simplify right side
915,579.75x = 641,485,160,737.24 - Step 5: Solve for x
x = 641,485,160,737.24/915,579.75 - Step 6: Final answer
x = 700,632.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.