Finding the Fourth Proportional to 843,389.34, 1,163,762.55 and 503,785.50
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Solution
The fourth proportional to 843,389.34, 1,163,762.55 and 503,785.50 is: 695,155.45
Step by Step Solution
- Step 1: Write the proportion equation
843,389.34 : 1,163,762.55 = 503,785.50 : x - Step 2: Convert to fraction form
843,389.34/1,163,762.55 = 503,785.50/x - Step 3: Cross multiply
843,389.34x = 1,163,762.55 × 503,785.50 - Step 4: Simplify right side
843,389.34x = 586,286,698,133.03 - Step 5: Solve for x
x = 586,286,698,133.03/843,389.34 - Step 6: Final answer
x = 695,155.45
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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.