Finding the Fourth Proportional to 908,628.99, 1,253,963.48 and 500,730.81
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Solution
The fourth proportional to 908,628.99, 1,253,963.48 and 500,730.81 is: 691,039.09
Step by Step Solution
- Step 1: Write the proportion equation
908,628.99 : 1,253,963.48 = 500,730.81 : x - Step 2: Convert to fraction form
908,628.99/1,253,963.48 = 500,730.81/x - Step 3: Cross multiply
908,628.99x = 1,253,963.48 × 500,730.81 - Step 4: Simplify right side
908,628.99x = 627,898,146,547.17 - Step 5: Solve for x
x = 627,898,146,547.17/908,628.99 - Step 6: Final answer
x = 691,039.09
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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.