Finding the Fourth Proportional to 660,053.74, 989,921.97 and 304,726.48
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Solution
The fourth proportional to 660,053.74, 989,921.97 and 304,726.48 is: 457,016.48
Step by Step Solution
- Step 1: Write the proportion equation
660,053.74 : 989,921.97 = 304,726.48 : x - Step 2: Convert to fraction form
660,053.74/989,921.97 = 304,726.48/x - Step 3: Cross multiply
660,053.74x = 989,921.97 × 304,726.48 - Step 4: Simplify right side
660,053.74x = 301,655,437,392.77 - Step 5: Solve for x
x = 301,655,437,392.77/660,053.74 - Step 6: Final answer
x = 457,016.48
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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.