Finding the Fourth Proportional to 888,157.28, 1,225,626.72 and 506,307.08
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Solution
The fourth proportional to 888,157.28, 1,225,626.72 and 506,307.08 is: 698,686.48
Step by Step Solution
- Step 1: Write the proportion equation
888,157.28 : 1,225,626.72 = 506,307.08 : x - Step 2: Convert to fraction form
888,157.28/1,225,626.72 = 506,307.08/x - Step 3: Cross multiply
888,157.28x = 1,225,626.72 × 506,307.08 - Step 4: Simplify right side
888,157.28x = 620,543,485,773.18 - Step 5: Solve for x
x = 620,543,485,773.18/888,157.28 - Step 6: Final answer
x = 698,686.48
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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.