Finding the Fourth Proportional to 979,058.90, 1,351,124.58 and 549,370.82
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Solution
The fourth proportional to 979,058.90, 1,351,124.58 and 549,370.82 is: 758,144.80
Step by Step Solution
- Step 1: Write the proportion equation
979,058.90 : 1,351,124.58 = 549,370.82 : x - Step 2: Convert to fraction form
979,058.90/1,351,124.58 = 549,370.82/x - Step 3: Cross multiply
979,058.90x = 1,351,124.58 × 549,370.82 - Step 4: Simplify right side
979,058.90x = 742,268,418,436.76 - Step 5: Solve for x
x = 742,268,418,436.76/979,058.90 - Step 6: Final answer
x = 758,144.80
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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.