Finding the Fourth Proportional to 497,730.41, 686,926.27 and 282,902.76
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Solution
The fourth proportional to 497,730.41, 686,926.27 and 282,902.76 is: 390,438.95
Step by Step Solution
- Step 1: Write the proportion equation
497,730.41 : 686,926.27 = 282,902.76 : x - Step 2: Convert to fraction form
497,730.41/686,926.27 = 282,902.76/x - Step 3: Cross multiply
497,730.41x = 686,926.27 × 282,902.76 - Step 4: Simplify right side
497,730.41x = 194,333,338,053.13 - Step 5: Solve for x
x = 194,333,338,053.13/497,730.41 - Step 6: Final answer
x = 390,438.95
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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.