Finding the Fourth Proportional to 653,721.42, 901,771.49 and 607,483.44
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Solution
The fourth proportional to 653,721.42, 901,771.49 and 607,483.44 is: 837,988.82
Step by Step Solution
- Step 1: Write the proportion equation
653,721.42 : 901,771.49 = 607,483.44 : x - Step 2: Convert to fraction form
653,721.42/901,771.49 = 607,483.44/x - Step 3: Cross multiply
653,721.42x = 901,771.49 × 607,483.44 - Step 4: Simplify right side
653,721.42x = 547,811,243,801.71 - Step 5: Solve for x
x = 547,811,243,801.71/653,721.42 - Step 6: Final answer
x = 837,988.82
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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.