Finding the Fourth Proportional to 652,133.64, 899,638.20 and 461,252.28
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Solution
The fourth proportional to 652,133.64, 899,638.20 and 461,252.28 is: 636,311.56
Step by Step Solution
- Step 1: Write the proportion equation
652,133.64 : 899,638.20 = 461,252.28 : x - Step 2: Convert to fraction form
652,133.64/899,638.20 = 461,252.28/x - Step 3: Cross multiply
652,133.64x = 899,638.20 × 461,252.28 - Step 4: Simplify right side
652,133.64x = 414,960,170,925.10 - Step 5: Solve for x
x = 414,960,170,925.10/652,133.64 - Step 6: Final answer
x = 636,311.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.