Finding the Fourth Proportional to 556,949.19, 768,569.29 and 302,294.91
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Solution
The fourth proportional to 556,949.19, 768,569.29 and 302,294.91 is: 417,155.80
Step by Step Solution
- Step 1: Write the proportion equation
556,949.19 : 768,569.29 = 302,294.91 : x - Step 2: Convert to fraction form
556,949.19/768,569.29 = 302,294.91/x - Step 3: Cross multiply
556,949.19x = 768,569.29 × 302,294.91 - Step 4: Simplify right side
556,949.19x = 232,334,584,349.31 - Step 5: Solve for x
x = 232,334,584,349.31/556,949.19 - Step 6: Final answer
x = 417,155.80
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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.