Finding the Fourth Proportional to 556,901.68, 768,525.08 and 302,252.88
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Solution
The fourth proportional to 556,901.68, 768,525.08 and 302,252.88 is: 417,109.39
Step by Step Solution
- Step 1: Write the proportion equation
556,901.68 : 768,525.08 = 302,252.88 : x - Step 2: Convert to fraction form
556,901.68/768,525.08 = 302,252.88/x - Step 3: Cross multiply
556,901.68x = 768,525.08 × 302,252.88 - Step 4: Simplify right side
556,901.68x = 232,288,918,782.23 - Step 5: Solve for x
x = 232,288,918,782.23/556,901.68 - Step 6: Final answer
x = 417,109.39
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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.