Finding the Fourth Proportional to 884,878.84, 1,221,093.93 and 497,726.56
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Solution
The fourth proportional to 884,878.84, 1,221,093.93 and 497,726.56 is: 686,840.79
Step by Step Solution
- Step 1: Write the proportion equation
884,878.84 : 1,221,093.93 = 497,726.56 : x - Step 2: Convert to fraction form
884,878.84/1,221,093.93 = 497,726.56/x - Step 3: Cross multiply
884,878.84x = 1,221,093.93 × 497,726.56 - Step 4: Simplify right side
884,878.84x = 607,770,881,215.78 - Step 5: Solve for x
x = 607,770,881,215.78/884,878.84 - Step 6: Final answer
x = 686,840.79
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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.