Finding the Fourth Proportional to 720,484.99, 1,080,726.03 and 676,641.11
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Solution
The fourth proportional to 720,484.99, 1,080,726.03 and 676,641.11 is: 1,014,960.29
Step by Step Solution
- Step 1: Write the proportion equation
720,484.99 : 1,080,726.03 = 676,641.11 : x - Step 2: Convert to fraction form
720,484.99/1,080,726.03 = 676,641.11/x - Step 3: Cross multiply
720,484.99x = 1,080,726.03 × 676,641.11 - Step 4: Simplify right side
720,484.99x = 731,263,655,141.46 - Step 5: Solve for x
x = 731,263,655,141.46/720,484.99 - Step 6: Final answer
x = 1,014,960.29
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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.