Finding the Fourth Proportional to 497,598.28, 686,660.82 and 282,709.96
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Solution
The fourth proportional to 497,598.28, 686,660.82 and 282,709.96 is: 390,125.65
Step by Step Solution
- Step 1: Write the proportion equation
497,598.28 : 686,660.82 = 282,709.96 : x - Step 2: Convert to fraction form
497,598.28/686,660.82 = 282,709.96/x - Step 3: Cross multiply
497,598.28x = 686,660.82 × 282,709.96 - Step 4: Simplify right side
497,598.28x = 194,125,852,955.77 - Step 5: Solve for x
x = 194,125,852,955.77/497,598.28 - Step 6: Final answer
x = 390,125.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.