Finding the Fourth Proportional to 659,779.02, 910,491.84 and 357,973.02
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Solution
The fourth proportional to 659,779.02, 910,491.84 and 357,973.02 is: 494,001.03
Step by Step Solution
- Step 1: Write the proportion equation
659,779.02 : 910,491.84 = 357,973.02 : x - Step 2: Convert to fraction form
659,779.02/910,491.84 = 357,973.02/x - Step 3: Cross multiply
659,779.02x = 910,491.84 × 357,973.02 - Step 4: Simplify right side
659,779.02x = 325,931,513,650.16 - Step 5: Solve for x
x = 325,931,513,650.16/659,779.02 - Step 6: Final answer
x = 494,001.03
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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.