Finding the Fourth Proportional to 656,437.52, 905,536.60 and 452,137.08
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Solution
The fourth proportional to 656,437.52, 905,536.60 and 452,137.08 is: 623,710.04
Step by Step Solution
- Step 1: Write the proportion equation
656,437.52 : 905,536.60 = 452,137.08 : x - Step 2: Convert to fraction form
656,437.52/905,536.60 = 452,137.08/x - Step 3: Cross multiply
656,437.52x = 905,536.60 × 452,137.08 - Step 4: Simplify right side
656,437.52x = 409,426,674,157.13 - Step 5: Solve for x
x = 409,426,674,157.13/656,437.52 - Step 6: Final answer
x = 623,710.04
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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.