Finding the Fourth Proportional to 742,210, 1,111,840.44 and 367,088.08
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Solution
The fourth proportional to 742,210, 1,111,840.44 and 367,088.08 is: 549,902.82
Step by Step Solution
- Step 1: Write the proportion equation
742,210 : 1,111,840.44 = 367,088.08 : x - Step 2: Convert to fraction form
742,210/1,111,840.44 = 367,088.08/x - Step 3: Cross multiply
742,210x = 1,111,840.44 × 367,088.08 - Step 4: Simplify right side
742,210x = 408,143,372,385.96 - Step 5: Solve for x
x = 408,143,372,385.96/742,210 - Step 6: Final answer
x = 549,902.82
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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.