Finding the Fourth Proportional to 636,228.24, 877,972.70 and 349,746.44
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Solution
The fourth proportional to 636,228.24, 877,972.70 and 349,746.44 is: 482,637.84
Step by Step Solution
- Step 1: Write the proportion equation
636,228.24 : 877,972.70 = 349,746.44 : x - Step 2: Convert to fraction form
636,228.24/877,972.70 = 349,746.44/x - Step 3: Cross multiply
636,228.24x = 877,972.70 × 349,746.44 - Step 4: Simplify right side
636,228.24x = 307,067,826,242.19 - Step 5: Solve for x
x = 307,067,826,242.19/636,228.24 - Step 6: Final answer
x = 482,637.84
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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.