Finding the Fourth Proportional to 808,943.74, 1,116,746.53 and 503,118.71
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Solution
The fourth proportional to 808,943.74, 1,116,746.53 and 503,118.71 is: 694,555.19
Step by Step Solution
- Step 1: Write the proportion equation
808,943.74 : 1,116,746.53 = 503,118.71 : x - Step 2: Convert to fraction form
808,943.74/1,116,746.53 = 503,118.71/x - Step 3: Cross multiply
808,943.74x = 1,116,746.53 × 503,118.71 - Step 4: Simplify right side
808,943.74x = 561,856,073,570.58 - Step 5: Solve for x
x = 561,856,073,570.58/808,943.74 - Step 6: Final answer
x = 694,555.19
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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.