Finding the Fourth Proportional to 464,257.36, 636,502.72 and 455,859.28
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Solution
The fourth proportional to 464,257.36, 636,502.72 and 455,859.28 is: 624,988.85
Step by Step Solution
- Step 1: Write the proportion equation
464,257.36 : 636,502.72 = 455,859.28 : x - Step 2: Convert to fraction form
464,257.36/636,502.72 = 455,859.28/x - Step 3: Cross multiply
464,257.36x = 636,502.72 × 455,859.28 - Step 4: Simplify right side
464,257.36x = 290,155,671,657.24 - Step 5: Solve for x
x = 290,155,671,657.24/464,257.36 - Step 6: Final answer
x = 624,988.85
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.