Finding the Fourth Proportional to 520,058.93, 717,467.60 and 316,076.99
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Solution
The fourth proportional to 520,058.93, 717,467.60 and 316,076.99 is: 436,056.35
Step by Step Solution
- Step 1: Write the proportion equation
520,058.93 : 717,467.60 = 316,076.99 : x - Step 2: Convert to fraction form
520,058.93/717,467.60 = 316,076.99/x - Step 3: Cross multiply
520,058.93x = 717,467.60 × 316,076.99 - Step 4: Simplify right side
520,058.93x = 226,774,999,430.52 - Step 5: Solve for x
x = 226,774,999,430.52/520,058.93 - Step 6: Final answer
x = 436,056.35
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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.