Finding the Fourth Proportional to 785,353.01, 1,176,939.63 and 357,844.05
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Solution
The fourth proportional to 785,353.01, 1,176,939.63 and 357,844.05 is: 536,269.48
Step by Step Solution
- Step 1: Write the proportion equation
785,353.01 : 1,176,939.63 = 357,844.05 : x - Step 2: Convert to fraction form
785,353.01/1,176,939.63 = 357,844.05/x - Step 3: Cross multiply
785,353.01x = 1,176,939.63 × 357,844.05 - Step 4: Simplify right side
785,353.01x = 421,160,843,804.70 - Step 5: Solve for x
x = 421,160,843,804.70/785,353.01 - Step 6: Final answer
x = 536,269.48
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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.