Finding the Fourth Proportional to 557,508.95, 769,362.35 and 302,860.14
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Solution
The fourth proportional to 557,508.95, 769,362.35 and 302,860.14 is: 417,946.99
Step by Step Solution
- Step 1: Write the proportion equation
557,508.95 : 769,362.35 = 302,860.14 : x - Step 2: Convert to fraction form
557,508.95/769,362.35 = 302,860.14/x - Step 3: Cross multiply
557,508.95x = 769,362.35 × 302,860.14 - Step 4: Simplify right side
557,508.95x = 233,009,183,670.62 - Step 5: Solve for x
x = 233,009,183,670.62/557,508.95 - Step 6: Final answer
x = 417,946.99
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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.