Finding the Fourth Proportional to 732,608.92, 1,010,444.36 and 641,807.24
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Solution
The fourth proportional to 732,608.92, 1,010,444.36 and 641,807.24 is: 885,206.95
Step by Step Solution
- Step 1: Write the proportion equation
732,608.92 : 1,010,444.36 = 641,807.24 : x - Step 2: Convert to fraction form
732,608.92/1,010,444.36 = 641,807.24/x - Step 3: Cross multiply
732,608.92x = 1,010,444.36 × 641,807.24 - Step 4: Simplify right side
732,608.92x = 648,510,502,656.13 - Step 5: Solve for x
x = 648,510,502,656.13/732,608.92 - Step 6: Final answer
x = 885,206.95
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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.