Finding the Fourth Proportional to 750,780.10, 1,036,076.98 and 411,254.02
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Solution
The fourth proportional to 750,780.10, 1,036,076.98 and 411,254.02 is: 567,530.79
Step by Step Solution
- Step 1: Write the proportion equation
750,780.10 : 1,036,076.98 = 411,254.02 : x - Step 2: Convert to fraction form
750,780.10/1,036,076.98 = 411,254.02/x - Step 3: Cross multiply
750,780.10x = 1,036,076.98 × 411,254.02 - Step 4: Simplify right side
750,780.10x = 426,090,819,436.13 - Step 5: Solve for x
x = 426,090,819,436.13/750,780.10 - Step 6: Final answer
x = 567,530.79
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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.