Finding the Fourth Proportional to 709,373.99, 1,064,031.18 and 330,164.28
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Solution
The fourth proportional to 709,373.99, 1,064,031.18 and 330,164.28 is: 495,232.55
Step by Step Solution
- Step 1: Write the proportion equation
709,373.99 : 1,064,031.18 = 330,164.28 : x - Step 2: Convert to fraction form
709,373.99/1,064,031.18 = 330,164.28/x - Step 3: Cross multiply
709,373.99x = 1,064,031.18 × 330,164.28 - Step 4: Simplify right side
709,373.99x = 351,305,088,442.25 - Step 5: Solve for x
x = 351,305,088,442.25/709,373.99 - Step 6: Final answer
x = 495,232.55
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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.