Finding the Fourth Proportional to 514,905.84, 710,587.32 and 285,449.44
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Solution
The fourth proportional to 514,905.84, 710,587.32 and 285,449.44 is: 393,929.80
Step by Step Solution
- Step 1: Write the proportion equation
514,905.84 : 710,587.32 = 285,449.44 : x - Step 2: Convert to fraction form
514,905.84/710,587.32 = 285,449.44/x - Step 3: Cross multiply
514,905.84x = 710,587.32 × 285,449.44 - Step 4: Simplify right side
514,905.84x = 202,836,752,565.10 - Step 5: Solve for x
x = 202,836,752,565.10/514,905.84 - Step 6: Final answer
x = 393,929.80
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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.