Finding the Fourth Proportional to 593,393.76, 889,881.12 and 256,420.80
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Solution
The fourth proportional to 593,393.76, 889,881.12 and 256,420.80 is: 384,540.66
Step by Step Solution
- Step 1: Write the proportion equation
593,393.76 : 889,881.12 = 256,420.80 : x - Step 2: Convert to fraction form
593,393.76/889,881.12 = 256,420.80/x - Step 3: Cross multiply
593,393.76x = 889,881.12 × 256,420.80 - Step 4: Simplify right side
593,393.76x = 228,184,028,695.30 - Step 5: Solve for x
x = 228,184,028,695.30/593,393.76 - Step 6: Final answer
x = 384,540.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.