Finding the Fourth Proportional to 1,490,262.75, 2,235,415.08 and 425,304.93
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Solution
The fourth proportional to 1,490,262.75, 2,235,415.08 and 425,304.93 is: 637,963.38
Step by Step Solution
- Step 1: Write the proportion equation
1,490,262.75 : 2,235,415.08 = 425,304.93 : x - Step 2: Convert to fraction form
1,490,262.75/2,235,415.08 = 425,304.93/x - Step 3: Cross multiply
1,490,262.75x = 2,235,415.08 × 425,304.93 - Step 4: Simplify right side
1,490,262.75x = 950,733,054,120.34 - Step 5: Solve for x
x = 950,733,054,120.34/1,490,262.75 - Step 6: Final answer
x = 637,963.38
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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.