Finding the Fourth Proportional to 785,356.12, 1,176,944.24 and 357,847.17
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Solution
The fourth proportional to 785,356.12, 1,176,944.24 and 357,847.17 is: 536,274.12
Step by Step Solution
- Step 1: Write the proportion equation
785,356.12 : 1,176,944.24 = 357,847.17 : x - Step 2: Convert to fraction form
785,356.12/1,176,944.24 = 357,847.17/x - Step 3: Cross multiply
785,356.12x = 1,176,944.24 × 357,847.17 - Step 4: Simplify right side
785,356.12x = 421,166,162,012.88 - Step 5: Solve for x
x = 421,166,162,012.88/785,356.12 - Step 6: Final answer
x = 536,274.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.