Finding the Fourth Proportional to 497,727.17, 686,921.81 and 282,899.53
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Solution
The fourth proportional to 497,727.17, 686,921.81 and 282,899.53 is: 390,434.50
Step by Step Solution
- Step 1: Write the proportion equation
497,727.17 : 686,921.81 = 282,899.53 : x - Step 2: Convert to fraction form
497,727.17/686,921.81 = 282,899.53/x - Step 3: Cross multiply
497,727.17x = 686,921.81 × 282,899.53 - Step 4: Simplify right side
497,727.17x = 194,329,857,094.90 - Step 5: Solve for x
x = 194,329,857,094.90/497,727.17 - Step 6: Final answer
x = 390,434.50
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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.