Finding the Fourth Proportional to 702,922.61, 970,031.79 and 380,631.71
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Solution
The fourth proportional to 702,922.61, 970,031.79 and 380,631.71 is: 525,270.99
Step by Step Solution
- Step 1: Write the proportion equation
702,922.61 : 970,031.79 = 380,631.71 : x - Step 2: Convert to fraction form
702,922.61/970,031.79 = 380,631.71/x - Step 3: Cross multiply
702,922.61x = 970,031.79 × 380,631.71 - Step 4: Simplify right side
702,922.61x = 369,224,854,131.90 - Step 5: Solve for x
x = 369,224,854,131.90/702,922.61 - Step 6: Final answer
x = 525,270.99
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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.