Finding the Fourth Proportional to 785,844.63, 1,178,774.24 and 312,650.73
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Solution
The fourth proportional to 785,844.63, 1,178,774.24 and 312,650.73 is: 468,979.00
Step by Step Solution
- Step 1: Write the proportion equation
785,844.63 : 1,178,774.24 = 312,650.73 : x - Step 2: Convert to fraction form
785,844.63/1,178,774.24 = 312,650.73/x - Step 3: Cross multiply
785,844.63x = 1,178,774.24 × 312,650.73 - Step 4: Simplify right side
785,844.63x = 368,544,625,077.94 - Step 5: Solve for x
x = 368,544,625,077.94/785,844.63 - Step 6: Final answer
x = 468,979.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.