Finding the Fourth Proportional to 771,710.76, 1,064,768.49 and 445,123.62
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Solution
The fourth proportional to 771,710.76, 1,064,768.49 and 445,123.62 is: 614,159.64
Step by Step Solution
- Step 1: Write the proportion equation
771,710.76 : 1,064,768.49 = 445,123.62 : x - Step 2: Convert to fraction form
771,710.76/1,064,768.49 = 445,123.62/x - Step 3: Cross multiply
771,710.76x = 1,064,768.49 × 445,123.62 - Step 4: Simplify right side
771,710.76x = 473,953,604,730.73 - Step 5: Solve for x
x = 473,953,604,730.73/771,710.76 - Step 6: Final answer
x = 614,159.64
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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.