Finding the Fourth Proportional to 755,701.30, 1,130,889.65 and 471,525.63
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Solution
The fourth proportional to 755,701.30, 1,130,889.65 and 471,525.63 is: 705,627.29
Step by Step Solution
- Step 1: Write the proportion equation
755,701.30 : 1,130,889.65 = 471,525.63 : x - Step 2: Convert to fraction form
755,701.30/1,130,889.65 = 471,525.63/x - Step 3: Cross multiply
755,701.30x = 1,130,889.65 × 471,525.63 - Step 4: Simplify right side
755,701.30x = 533,243,453,911.22 - Step 5: Solve for x
x = 533,243,453,911.22/755,701.30 - Step 6: Final answer
x = 705,627.29
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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.