Finding the Fourth Proportional to 732,795.12, 1,011,239.64 and 410,518.80
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Solution
The fourth proportional to 732,795.12, 1,011,239.64 and 410,518.80 is: 566,506.07
Step by Step Solution
- Step 1: Write the proportion equation
732,795.12 : 1,011,239.64 = 410,518.80 : x - Step 2: Convert to fraction form
732,795.12/1,011,239.64 = 410,518.80/x - Step 3: Cross multiply
732,795.12x = 1,011,239.64 × 410,518.80 - Step 4: Simplify right side
732,795.12x = 415,132,883,525.23 - Step 5: Solve for x
x = 415,132,883,525.23/732,795.12 - Step 6: Final answer
x = 566,506.07
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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.