Finding the Fourth Proportional to 556,929.74, 768,563.61 and 302,280.98
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Solution
The fourth proportional to 556,929.74, 768,563.61 and 302,280.98 is: 417,148.06
Step by Step Solution
- Step 1: Write the proportion equation
556,929.74 : 768,563.61 = 302,280.98 : x - Step 2: Convert to fraction form
556,929.74/768,563.61 = 302,280.98/x - Step 3: Cross multiply
556,929.74x = 768,563.61 × 302,280.98 - Step 4: Simplify right side
556,929.74x = 232,322,161,223.14 - Step 5: Solve for x
x = 232,322,161,223.14/556,929.74 - Step 6: Final answer
x = 417,148.06
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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.