Finding the Fourth Proportional to 497,881.08, 687,133.94 and 283,053.29
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Solution
The fourth proportional to 497,881.08, 687,133.94 and 283,053.29 is: 390,646.53
Step by Step Solution
- Step 1: Write the proportion equation
497,881.08 : 687,133.94 = 283,053.29 : x - Step 2: Convert to fraction form
497,881.08/687,133.94 = 283,053.29/x - Step 3: Cross multiply
497,881.08x = 687,133.94 × 283,053.29 - Step 4: Simplify right side
497,881.08x = 194,495,517,536.73 - Step 5: Solve for x
x = 194,495,517,536.73/497,881.08 - Step 6: Final answer
x = 390,646.53
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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.