Finding the Fourth Proportional to 877,263.30, 1,315,698.12 and 403,493.49
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Solution
The fourth proportional to 877,263.30, 1,315,698.12 and 403,493.49 is: 605,149.70
Step by Step Solution
- Step 1: Write the proportion equation
877,263.30 : 1,315,698.12 = 403,493.49 : x - Step 2: Convert to fraction form
877,263.30/1,315,698.12 = 403,493.49/x - Step 3: Cross multiply
877,263.30x = 1,315,698.12 × 403,493.49 - Step 4: Simplify right side
877,263.30x = 530,875,626,225.24 - Step 5: Solve for x
x = 530,875,626,225.24/877,263.30 - Step 6: Final answer
x = 605,149.70
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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.