Finding the Fourth Proportional to 1,002,220.08, 1,503,389.16 and 328,372.08
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Solution
The fourth proportional to 1,002,220.08, 1,503,389.16 and 328,372.08 is: 492,577.46
Step by Step Solution
- Step 1: Write the proportion equation
1,002,220.08 : 1,503,389.16 = 328,372.08 : x - Step 2: Convert to fraction form
1,002,220.08/1,503,389.16 = 328,372.08/x - Step 3: Cross multiply
1,002,220.08x = 1,503,389.16 × 328,372.08 - Step 4: Simplify right side
1,002,220.08x = 493,671,025,518.65 - Step 5: Solve for x
x = 493,671,025,518.65/1,002,220.08 - Step 6: Final answer
x = 492,577.46
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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.