Finding the Fourth Proportional to 603,430.14, 832,641.08 and 348,732.18
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Solution
The fourth proportional to 603,430.14, 832,641.08 and 348,732.18 is: 481,196.94
Step by Step Solution
- Step 1: Write the proportion equation
603,430.14 : 832,641.08 = 348,732.18 : x - Step 2: Convert to fraction form
603,430.14/832,641.08 = 348,732.18/x - Step 3: Cross multiply
603,430.14x = 832,641.08 × 348,732.18 - Step 4: Simplify right side
603,430.14x = 290,368,738,985.95 - Step 5: Solve for x
x = 290,368,738,985.95/603,430.14 - Step 6: Final answer
x = 481,196.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.