Finding the Fourth Proportional to 556,913.68, 768,541.62 and 302,264.90
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Solution
The fourth proportional to 556,913.68, 768,541.62 and 302,264.90 is: 417,125.96
Step by Step Solution
- Step 1: Write the proportion equation
556,913.68 : 768,541.62 = 302,264.90 : x - Step 2: Convert to fraction form
556,913.68/768,541.62 = 302,264.90/x - Step 3: Cross multiply
556,913.68x = 768,541.62 × 302,264.90 - Step 4: Simplify right side
556,913.68x = 232,303,155,915.14 - Step 5: Solve for x
x = 232,303,155,915.14/556,913.68 - Step 6: Final answer
x = 417,125.96
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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.