Finding the Fourth Proportional to 812,963.19, 1,120,082.70 and 536,830.75
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Solution
The fourth proportional to 812,963.19, 1,120,082.70 and 536,830.75 is: 739,633.52
Step by Step Solution
- Step 1: Write the proportion equation
812,963.19 : 1,120,082.70 = 536,830.75 : x - Step 2: Convert to fraction form
812,963.19/1,120,082.70 = 536,830.75/x - Step 3: Cross multiply
812,963.19x = 1,120,082.70 × 536,830.75 - Step 4: Simplify right side
812,963.19x = 601,294,827,618.46 - Step 5: Solve for x
x = 601,294,827,618.46/812,963.19 - Step 6: Final answer
x = 739,633.52
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.