Finding the Fourth Proportional to 633,077.21, 873,649.11 and 346,623.95
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Solution
The fourth proportional to 633,077.21, 873,649.11 and 346,623.95 is: 478,342.45
Step by Step Solution
- Step 1: Write the proportion equation
633,077.21 : 873,649.11 = 346,623.95 : x - Step 2: Convert to fraction form
633,077.21/873,649.11 = 346,623.95/x - Step 3: Cross multiply
633,077.21x = 873,649.11 × 346,623.95 - Step 4: Simplify right side
633,077.21x = 302,827,701,053.94 - Step 5: Solve for x
x = 302,827,701,053.94/633,077.21 - Step 6: Final answer
x = 478,342.45
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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.