Finding the Fourth Proportional to 556,927.68, 768,560.90 and 302,278.94
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Solution
The fourth proportional to 556,927.68, 768,560.90 and 302,278.94 is: 417,145.32
Step by Step Solution
- Step 1: Write the proportion equation
556,927.68 : 768,560.90 = 302,278.94 : x - Step 2: Convert to fraction form
556,927.68/768,560.90 = 302,278.94/x - Step 3: Cross multiply
556,927.68x = 768,560.90 × 302,278.94 - Step 4: Simplify right side
556,927.68x = 232,319,774,177.45 - Step 5: Solve for x
x = 232,319,774,177.45/556,927.68 - Step 6: Final answer
x = 417,145.32
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1.5x scale
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.